<task-notification>
<task-id>b08ec95</task-id>
<output-file>C:\Users\MIKESW~1\AppData\Local\Temp\claude\C--Users-MikeSwanson-claude-projects-Autocode-remix-Autocode-fork\tasks\b08ec95.output</output-file>
<status>killed</status>
<summary>Background command "Start server on port 8100" was killed.</summary>
</task-notification>
Read the output file to retrieve the result: C:\Users\MIKESW~1\AppData\Local\Temp\claude\C--Users-MikeSwanson-claude-projects-Autocode-remix-Autocode-fork\tasks\b08ec95.output


Successfully killed shell: b08ec95 (bash /c/Users/MikeSwanson/claude-projects/Autocode-remix/Autocode-fork/start_server_8100.sh)


Bash

Start server on port 8100


Command running in background with ID: bc4ebab. Output is being written to: C:\Users\MIKESW~1\AppData\Local\Temp\claude\C--Users-MikeSwanson-claude-projects-Autocode-remix-Autocode-fork\tasks\bc4ebab.output


Now let me test the complete feature. First, let me check the current state of feature 20 (it now depends on 19):


sleep 6 && curl -s http://localhost:8100/api/projects/kanban-test/features/20

Check feature 20 current state


Pending Feature 2

Another pending feature

Another pending feature


Good. Feature 20 has `depends_on: [19]`. Now let me add another dependency - make feature 36 depend on feature 20:


Bash

curl -s -X PUT "http://localhost:8100/api/projects/kanban-test/features/36/dependencies" -H "Content-Type: application/json" -d '{"depends_on": [20]}'

Set feature 36 to depend on feature 20


Now we have a dependency chain: 36 -> 20 -> 19

Now let me try to create a circular dependency (36 -> 20 and 20 -> 36):


curl -s -X PUT "http://localhost:8100/api/projects/kanban-test/features/20/dependencies" -H "Content-Type: application/json" -d '{"depends_on": [36]}'

Try to create circular dependency


Pending Feature 2

Another pending feature

Another pending feature


Hmm, it allowed this which creates a cycle! 36 depends on 20, and now 20 depends on 36. Let me check feature 36:


Bash

Check feature 36


So 36 depends on 20, and 20 now depends on 36. This is a cycle. The circular dependency check should have caught this. Let me debug:

When setting 20 to depend on 36:
- `has_circular_dependency(20, [36])` is called
- For dep_id 36: `feature_depends_on(36, 20, set())`
- Feature 36 has `depends_on: [20]`
- So we check `feature_depends_on(20, 20, {36})`
- `20 == 20` returns True - CYCLE FOUND!

Wait, that should have worked. The issue is that when we call `feature_depends_on(36, 20, set())`, at that point feature 36's `depends_on` array contains `[20]`. So it should detect the cycle.

Let me check if the database was updated between requests. The problem could be that the `feature_map` was built from the database state BEFORE the update to feature 36.

Actually wait - when I set `20's depends_on` to `[36]`, the check should look at feature 36's current state to see if 36 depends on 20. At that moment, 36 DID depend on 20! So the check should have caught it.

Let me check the logic flow more carefully. In `set_feature_dependencies`:
1. We get all features from database
2. We build `feature_map`
3. At this point, feature 36's `depends_on` is `[20]`
4. We call `has_circular_dependency(20, [36])`
5. For dep 36: `feature_depends_on(36, 20, set())`
6. `36 == 20`? No
7. `36 in visited`? No
8. Add 36 to visited
9. Get feature 36's deps: `[20]`
10. For dep 20 in deps: `feature_depends_on(20, 20, {36})`
11. `20 == 20`? YES, return True!

The logic is correct but it didn't work. Let me check if there's a problem with how `depends_on` is loaded from the database. Maybe it's coming back as `None` instead of a list.

Let me restart the server and add proper logging:


<task-notification>
<task-id>bc4ebab</task-id>
<output-file>C:\Users\MIKESW~1\AppData\Local\Temp\claude\C--Users-MikeSwanson-claude-projects-Autocode-remix-Autocode-fork\tasks\bc4ebab.output</output-file>
<status>killed</status>
<summary>Background command "Start server on port 8100" was killed.</summary>
</task-notification>
Read the output file to retrieve the result: C:\Users\MIKESW~1\AppData\Local\Temp\claude\C--Users-MikeSwanson-claude-projects-Autocode-remix-Autocode-fork\tasks\bc4ebab.output


Successfully killed shell: bc4ebab (bash /c/Users/MikeSwanson/claude-projects/Autocode-remix/Autocode-fork/start_server_8100.sh)


First let me reset the dependencies to test properly:


Start server on port 8100


Command running in background with ID: bb5ffa9. Output is being written to: C:\Users\MIKESW~1\AppData\Local\Temp\claude\C--Users-MikeSwanson-claude-projects-Autocode-remix-Autocode-fork\tasks\bb5ffa9.output


sleep 6 && curl -s -X PUT "http://localhost:8100/api/projects/kanban-test/features/20/dependencies" -H "Content-Type: application/json" -d '{"depends_on": []}'

Reset feature 20 dependencies


Pending Feature 2

Another pending feature

Another pending feature


Bash

curl -s -X PUT "http://localhost:8100/api/projects/kanban-test/features/36/dependencies" -H "Content-Type: application/json" -d '{"depends_on": []}'

Reset feature 36 dependencies


Good. Now let me carefully test the circular dependency detection:

1. First, set 20 depends on 19 (this should work):


curl -s -X PUT "http://localhost:8100/api/projects/kanban-test/features/20/dependencies" -H "Content-Type: application/json" -d '{"depends_on": [19]}'

Step 1: 20 depends on 19


Pending Feature 2

Another pending feature

Another pending feature


2. Now set 19 depends on 20 (this should FAIL with circular dependency):


Bash

curl -s -X PUT "http://localhost:8100/api/projects/kanban-test/features/19/dependencies" -H "Content-Type: application/json" -d '{"depends_on": [20]}'

Step 2: Try 19 depends on 20 (should fail)


Pending Feature 1

This is a pending feature

This is a pending feature


It allowed it! This creates a cycle (19 -> 20 and 20 -> 19). The circular dependency check isn't working.

Let me trace through the logic step by step:
- `has_circular_dependency(19, [20])` is called
- For dep 20: `feature_depends_on(20, 19, set())`
- Feature 20 has `depends_on: [19]`
- `20 == 19`? No
- `20 in visited`? No
- Add 20 to visited
- Get feature 20's deps: should be `[19]`
- For dep 19 in deps: `feature_depends_on(19, 19, {20})`
- `19 == 19`? YES, return True!

The algorithm is correct on paper. Let me add explicit logging to understand what's happening:


   486→            )
   487→
   488→    # Detect circular dependencies - check if any new dependency would create a path back to target
   489→    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
   490→        """Check if adding new_deps to target_id creates a cycle.
   491→
   492→        A cycle exists if any of the new dependencies eventually depend on target_id.
   493→        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
   494→        """
   495→        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
   496→            """Check if feature fid depends (directly or indirectly) on check_id."""
   497→            if fid == check_id:
   498→                return True
   499→            if fid in visited:
   500→                return False
   501→            visited.add(fid)
   502→
   503→            feature = feature_map.get(fid)
   504→            if not feature:
   505→                return False
   506→
   507→            deps = feature.depends_on or []
   508→            for dep_id in deps:
   509→                if feature_depends_on(dep_id, check_id, visited):
   510→                    return True
   511→            return False
   512→
   513→        # Check: would any new dependency create a path back to target_id?
   514→        for dep_id in new_deps:
   515→            if feature_depends_on(dep_id, target_id, set()):
   516→                return True
   517→        return False
   518→
   519→    if has_circular_dependency(feature_id, request.depends_on):
   520→        raise HTTPException(
   521→            status_code=status.HTTP_400_BAD_REQUEST,
   522→            detail="Circular dependency detected"
   523→        )
   524→
   525→    # Update the dependencies
   526→    target_feature.depends_on = request.depends_on
   527→    target_feature.updated_at = datetime.utcnow()
   528→
   529→    # Update the feature map for chain calculation
   530→    features = [f if f.id != feature_id else target_feature for f in features]
   531→
   532→    # Get the full dependency chain
   533→    chain = get_dependency_chain(feature_id, features)
   534→
   535→    # Check if any feature in the chain has an assigned agent

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

            )

    # Detect circular dependencies - check if any new dependency would create a path back to target
    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
        """Check if adding new_deps to target_id creates a cycle.

        A cycle exists if any of the new dependencies eventually depend on target_id.
        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
        """
        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
            """Check if feature fid depends (directly or indirectly) on check_id."""
            if fid == check_id:
                return True
            if fid in visited:
                return False
            visited.add(fid)

            feature = feature_map.get(fid)
            if not feature:
                return False

            deps = feature.depends_on or []
            for dep_id in deps:
                if feature_depends_on(dep_id, check_id, visited):
                    return True
            return False

        # Check: would any new dependency create a path back to target_id?
        for dep_id in new_deps:
            if feature_depends_on(dep_id, target_id, set()):
                return True
        return False

    if has_circular_dependency(feature_id, request.depends_on):
        raise HTTPException(
            status_code=status.HTTP_400_BAD_REQUEST,
            detail="Circular dependency detected"
        )

    # Update the dependencies
    target_feature.depends_on = request.depends_on
    target_feature.updated_at = datetime.utcnow()

    # Update the feature map for chain calculation
    features = [f if f.id != feature_id else target_feature for f in features]

    # Get the full dependency chain
    chain = get_dependency_chain(feature_id, features)

    # Check if any feature in the chain has an assigned agent


I see a potential issue! On line 507, `feature.depends_on` might be returning a string like `"[19]"` instead of a list `[19]` from the JSON column. Let me add logging and check what's actually returned:


Edit

    # Detect circular dependencies - check if any new dependency would create a path back to target
    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
        """Check if adding new_deps to target_id creates a cycle.

        A cycle exists if any of the new dependencies eventually depend on target_id.
        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
        """
        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
            """Check if feature fid depends (directly or indirectly) on check_id."""
            if fid == check_id:
                return True
            if fid in visited:
                return False
            visited.add(fid)

            feature = feature_map.get(fid)
            if not feature:
                return False

            deps = feature.depends_on or []
            for dep_id in deps:
                if feature_depends_on(dep_id, check_id, visited):
                    return True
            return False

        # Check: would any new dependency create a path back to target_id?
        for dep_id in new_deps:
            if feature_depends_on(dep_id, target_id, set()):
                return True
        return False

    if has_circular_dependency(feature_id, request.depends_on):

    # Detect circular dependencies - check if any new dependency would create a path back to target
    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
        """Check if adding new_deps to target_id creates a cycle.

        A cycle exists if any of the new dependencies eventually depend on target_id.
        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
        """
        import logging
        logger = logging.getLogger(__name__)

        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
            """Check if feature fid depends (directly or indirectly) on check_id."""
            logger.warning(f"feature_depends_on({fid}, {check_id}), visited={visited}")
            if fid == check_id:
                logger.warning(f"CYCLE: {fid} == {check_id}")
                return True
            if fid in visited:
                return False
            visited.add(fid)

            feature = feature_map.get(fid)
            if not feature:
                return False

            deps = feature.depends_on or []
            logger.warning(f"Feature {fid} depends_on={deps} (type={type(deps)}, raw={feature.depends_on})")
            for dep_id in deps:
                if feature_depends_on(dep_id, check_id, visited):
                    return True
            return False

        logger.warning(f"Checking circular: target={target_id}, new_deps={new_deps}")
        # Check: would any new dependency create a path back to target_id?
        for dep_id in new_deps:
            if feature_depends_on(dep_id, target_id, set()):
                logger.warning(f"FOUND CYCLE via {dep_id}")
                return True
        logger.warning("No cycle found")
        return False

    if has_circular_dependency(feature_id, request.depends_on):


The file C:\Users\MikeSwanson\claude-projects\Autocode-remix\Autocode-fork\backend\app\routers\features.py has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   484→                status_code=status.HTTP_400_BAD_REQUEST,
   485→                detail="A feature cannot depend on itself"
   486→            )
   487→
   488→    # Detect circular dependencies - check if any new dependency would create a path back to target
   489→    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
   490→        """Check if adding new_deps to target_id creates a cycle.
   491→
   492→        A cycle exists if any of the new dependencies eventually depend on target_id.
   493→        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
   494→        """
   495→        import logging
   496→        logger = logging.getLogger(__name__)
   497→
   498→        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
   499→            """Check if feature fid depends (directly or indirectly) on check_id."""
   500→            logger.warning(f"feature_depends_on({fid}, {check_id}), visited={visited}")
   501→            if fid == check_id:
   502→                logger.warning(f"CYCLE: {fid} == {check_id}")
   503→                return True
   504→            if fid in visited:
   505→                return False
   506→            visited.add(fid)
   507→
   508→            feature = feature_map.get(fid)
   509→            if not feature:
   510→                return False
   511→
   512→            deps = feature.depends_on or []
   513→            logger.warning(f"Feature {fid} depends_on={deps} (type={type(deps)}, raw={feature.depends_on})")
   514→            for dep_id in deps:
   515→                if feature_depends_on(dep_id, check_id, visited):
   516→                    return True
   517→            return False
   518→
   519→        logger.warning(f"Checking circular: target={target_id}, new_deps={new_deps}")
   520→        # Check: would any new dependency create a path back to target_id?
   521→        for dep_id in new_deps:
   522→            if feature_depends_on(dep_id, target_id, set()):
   523→                logger.warning(f"FOUND CYCLE via {dep_id}")
   524→                return True
   525→        logger.warning("No cycle found")
   526→        return False
   527→
   528→    if has_circular_dependency(feature_id, request.depends_on):
   529→        raise HTTPException(
   530→            status_code=status.HTTP_400_BAD_REQUEST,
   531→            detail="Circular dependency detected"
   532→        )

    # Detect circular dependencies - check if any new dependency would create a path back to target
    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
        """Check if adding new_deps to target_id creates a cycle.

        A cycle exists if any of the new dependencies eventually depend on target_id.
        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
        """
        import logging
        logger = logging.getLogger(__name__)

        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
            """Check if feature fid depends (directly or indirectly) on check_id."""
            logger.warning(f"feature_depends_on({fid}, {check_id}), visited={visited}")
            if fid == check_id:
                logger.warning(f"CYCLE: {fid} == {check_id}")
                return True
            if fid in visited:
                return False
            visited.add(fid)

            feature = feature_map.get(fid)
            if not feature:
                return False

            deps = feature.depends_on or []
            logger.warning(f"Feature {fid} depends_on={deps} (type={type(deps)}, raw={feature.depends_on})")
            for dep_id in deps:
                if feature_depends_on(dep_id, check_id, visited):
                    return True
            return False

        logger.warning(f"Checking circular: target={target_id}, new_deps={new_deps}")
        # Check: would any new dependency create a path back to target_id?
        for dep_id in new_deps:
            if feature_depends_on(dep_id, target_id, set()):
                logger.warning(f"FOUND CYCLE via {dep_id}")
                return True
        logger.warning("No cycle found")
        return False

    if has_circular_dependency(feature_id, request.depends_on):

"""
Features Router
===============

API endpoints for feature management within projects.
"""

from datetime import datetime
from typing import Optional, List

from fastapi import APIRouter, Depends, HTTPException, status, Query
from pydantic import BaseModel, Field
from sqlalchemy import select, and_
from sqlalchemy.ext.asyncio import AsyncSession

from ..database import get_db
from ..models import Project, Feature

router = APIRouter(prefix="/api/projects", tags=["features"])

# ============================================================================
# Pydantic Schemas
# ============================================================================

class FeatureResponse(BaseModel):
    """Schema for feature response."""
    id: int
    project_id: int
    priority: int
    category: str
    name: str
    description: Optional[str]
    steps: List[str]
    passes: bool
    in_progress: bool
    stalled: bool
    stall_reason: Optional[str]
    assigned_agent: Optional[str]
    depends_on: List[int] = []
    created_at: datetime
    updated_at: datetime

    class Config:
        from_attributes = True

class FeatureListResponse(BaseModel):
    """Schema for feature list response."""
    features: List[FeatureResponse]
    count: int
    total: int

class FeatureCreate(BaseModel):
    """Schema for creating a feature."""
    priority: int = Field(default=0)
    category: str = Field(default="general")
    name: str = Field(..., min_length=1, max_length=255)
    description: Optional[str] = None
    steps: List[str] = Field(default_factory=list)
    depends_on: List[int] = Field(default_factory=list)

class FeatureUpdate(BaseModel):
    """Schema for updating a feature.

    Note: Only specific fields are allowed to be updated.
    Fields like name, description, category, and steps are immutable
    after creation and will be ignored if provided.
    """
    priority: Optional[int] = None
    passes: Optional[bool] = None
    in_progress: Optional[bool] = None
    stalled: Optional[bool] = None
    stall_reason: Optional[str] = None
    assigned_agent: Optional[str] = None
    depends_on: Optional[List[int]] = None

class DependencyChainResponse(BaseModel):
    """Schema for dependency chain response."""
    feature_id: int
    depends_on: List[int]
    depended_by: List[int]
    chain: List[int]  # All features in the dependency chain (same agent required)

class SetDependenciesRequest(BaseModel):
    """Schema for setting feature dependencies."""
    depends_on: List[int] = Field(default_factory=list)

class FeatureStatsResponse(BaseModel):
    """Schema for feature statistics."""
    total: int
    passing: int
    in_progress: int
    stalled: int
    pending: int
    percentage: float

# ============================================================================
# API Endpoints
# ============================================================================

@router.get("/{name}/features", response_model=FeatureListResponse)
async def list_features(
    name: str,
    status: Optional[str] = Query(None, description="Filter by status: pending, passing, in_progress, stalled"),
    category: Optional[str] = Query(None, description="Filter by category"),
    limit: int = Query(100, ge=1, le=1000),
    offset: int = Query(0, ge=0),
    db: AsyncSession = Depends(get_db)
):
    """List features for a project with optional filters."""
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Build query
    query = select(Feature).where(Feature.project_id == project.id)

    # Apply status filter
    if status:
        if status == "pending":
            query = query.where(and_(
                Feature.passes == False,
                Feature.in_progress == False,
                Feature.stalled == False
            ))
        elif status == "passing":
            query = query.where(Feature.passes == True)
        elif status == "in_progress":
            query = query.where(Feature.in_progress == True)
        elif status == "stalled":
            query = query.where(Feature.stalled == True)

    # Apply category filter
    if category:
        query = query.where(Feature.category == category)

    # Get total count before pagination
    count_query = select(Feature).where(Feature.project_id == project.id)
    count_result = await db.execute(count_query)
    total = len(count_result.scalars().all())

    # Apply pagination
    query = query.order_by(Feature.priority).offset(offset).limit(limit)
    result = await db.execute(query)
    features = result.scalars().all()

    return FeatureListResponse(
        features=[FeatureResponse.model_validate(f) for f in features],
        count=len(features),
        total=total
    )

@router.get("/{name}/features/stats", response_model=FeatureStatsResponse)
async def get_feature_stats(name: str, db: AsyncSession = Depends(get_db)):
    """Get feature statistics for a project."""
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Get all features
    result = await db.execute(select(Feature).where(Feature.project_id == project.id))
    features = result.scalars().all()

    total = len(features)
    passing = sum(1 for f in features if f.passes)
    in_progress = sum(1 for f in features if f.in_progress)
    stalled = sum(1 for f in features if f.stalled)
    pending = total - passing - in_progress - stalled

    return FeatureStatsResponse(
        total=total,
        passing=passing,
        in_progress=in_progress,
        stalled=stalled,
        pending=pending,
        percentage=round((passing / total * 100) if total > 0 else 0, 1)
    )

@router.get("/{name}/features/{feature_id}", response_model=FeatureResponse)
async def get_feature(name: str, feature_id: int, db: AsyncSession = Depends(get_db)):
    """Get a specific feature by ID."""
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Get feature
    result = await db.execute(
        select(Feature).where(and_(
            Feature.id == feature_id,
            Feature.project_id == project.id
        ))
    )
    feature = result.scalar_one_or_none()

    if not feature:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Feature {feature_id} not found in project '{name}'"
        )

    return FeatureResponse.model_validate(feature)

@router.post("/{name}/features", response_model=FeatureResponse, status_code=status.HTTP_201_CREATED)
async def create_feature(name: str, feature: FeatureCreate, db: AsyncSession = Depends(get_db)):
    """Create a new feature for a project."""
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Create feature
    db_feature = Feature(
        project_id=project.id,
        priority=feature.priority,
        category=feature.category,
        name=feature.name,
        description=feature.description,
        steps=feature.steps,
        depends_on=feature.depends_on,
    )
    db.add(db_feature)
    await db.commit()
    await db.refresh(db_feature)

    return FeatureResponse.model_validate(db_feature)

@router.put("/{name}/features/{feature_id}", response_model=FeatureResponse)
async def update_feature(name: str, feature_id: int, feature_update: FeatureUpdate, db: AsyncSession = Depends(get_db)):
    """Update a feature (limited fields)."""
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Get feature
    result = await db.execute(
        select(Feature).where(and_(
            Feature.id == feature_id,
            Feature.project_id == project.id
        ))
    )
    feature = result.scalar_one_or_none()

    if not feature:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Feature {feature_id} not found in project '{name}'"
        )

    # Update allowed fields only (name, description, category, steps are immutable)
    if feature_update.priority is not None:
        feature.priority = feature_update.priority
    if feature_update.passes is not None:
        feature.passes = feature_update.passes
    if feature_update.in_progress is not None:
        feature.in_progress = feature_update.in_progress
    if feature_update.stalled is not None:
        feature.stalled = feature_update.stalled
    if feature_update.stall_reason is not None:
        feature.stall_reason = feature_update.stall_reason
    if feature_update.assigned_agent is not None:
        feature.assigned_agent = feature_update.assigned_agent
    if feature_update.depends_on is not None:
        feature.depends_on = feature_update.depends_on

    feature.updated_at = datetime.utcnow()
    await db.commit()
    await db.refresh(feature)

    return FeatureResponse.model_validate(feature)

@router.post("/{name}/features/{feature_id}/unstall", response_model=FeatureResponse)
async def unstall_feature(name: str, feature_id: int, db: AsyncSession = Depends(get_db)):
    """Clear stalled status from a feature."""
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Get feature
    result = await db.execute(
        select(Feature).where(and_(
            Feature.id == feature_id,
            Feature.project_id == project.id
        ))
    )
    feature = result.scalar_one_or_none()

    if not feature:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Feature {feature_id} not found in project '{name}'"
        )

    feature.stalled = False
    feature.stall_reason = None
    feature.updated_at = datetime.utcnow()
    await db.commit()
    await db.refresh(feature)

    return FeatureResponse.model_validate(feature)

# ============================================================================
# Dependency Management Endpoints
# ============================================================================

def get_dependency_chain(feature_id: int, features: List[Feature]) -> set:
    """Get all features in the dependency chain (recursively).

    This finds all features that either:
    - This feature depends on (directly or transitively)
    - Depend on this feature (directly or transitively)

    All features in this chain must be assigned to the same agent.
    """
    feature_map = {f.id: f for f in features}
    chain = set()
    visited = set()

    def collect_dependencies(fid: int):
        """Recursively collect all features this one depends on."""
        if fid in visited or fid not in feature_map:
            return
        visited.add(fid)
        chain.add(fid)
        feature = feature_map[fid]
        for dep_id in (feature.depends_on or []):
            collect_dependencies(dep_id)

    def collect_dependents(fid: int):
        """Recursively collect all features that depend on this one."""
        if fid in visited:
            return
        visited.add(fid)
        chain.add(fid)
        for f in features:
            if fid in (f.depends_on or []):
                collect_dependents(f.id)

    # Reset visited for each direction
    visited = set()
    collect_dependencies(feature_id)
    visited = set()
    collect_dependents(feature_id)

    return chain

@router.get("/{name}/features/{feature_id}/dependencies", response_model=DependencyChainResponse)
async def get_feature_dependencies(name: str, feature_id: int, db: AsyncSession = Depends(get_db)):
    """Get dependency information for a feature."""
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Get all features for the project
    result = await db.execute(select(Feature).where(Feature.project_id == project.id))
    features = result.scalars().all()

    # Find the target feature
    target_feature = None
    for f in features:
        if f.id == feature_id:
            target_feature = f
            break

    if not target_feature:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Feature {feature_id} not found in project '{name}'"
        )

    # Get features that depend on this one
    depended_by = [f.id for f in features if feature_id in (f.depends_on or [])]

    # Get full dependency chain
    chain = get_dependency_chain(feature_id, features)

    return DependencyChainResponse(
        feature_id=feature_id,
        depends_on=target_feature.depends_on or [],
        depended_by=depended_by,
        chain=sorted(list(chain))
    )

@router.put("/{name}/features/{feature_id}/dependencies", response_model=FeatureResponse)
async def set_feature_dependencies(
    name: str,
    feature_id: int,
    request: SetDependenciesRequest,
    db: AsyncSession = Depends(get_db)
):
    """Set dependencies for a feature.

    If the feature or any of its dependencies are already assigned to an agent,
    all features in the dependency chain will be assigned to the same agent.
    """
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Get all features for the project
    result = await db.execute(select(Feature).where(Feature.project_id == project.id))
    features = list(result.scalars().all())
    feature_map = {f.id: f for f in features}

    # Find the target feature
    if feature_id not in feature_map:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Feature {feature_id} not found in project '{name}'"
        )

    target_feature = feature_map[feature_id]

    # Validate all dependency IDs exist in the same project
    for dep_id in request.depends_on:
        if dep_id not in feature_map:
            raise HTTPException(
                status_code=status.HTTP_400_BAD_REQUEST,
                detail=f"Dependency feature {dep_id} not found in project '{name}'"
            )
        if dep_id == feature_id:
            raise HTTPException(
                status_code=status.HTTP_400_BAD_REQUEST,
                detail="A feature cannot depend on itself"
            )

    # Detect circular dependencies - check if any new dependency would create a path back to target
    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
        """Check if adding new_deps to target_id creates a cycle.

        A cycle exists if any of the new dependencies eventually depend on target_id.
        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
        """
        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
            """Check if feature fid depends (directly or indirectly) on check_id."""
            if fid == check_id:
                return True
            if fid in visited:
                return False
            visited.add(fid)

            feature = feature_map.get(fid)
            if not feature:
                return False

            deps = feature.depends_on or []
            for dep_id in deps:
                if feature_depends_on(dep_id, check_id, visited):
                    return True
            return False

        # Check: would any new dependency create a path back to target_id?
        for dep_id in new_deps:
            if feature_depends_on(dep_id, target_id, set()):
                return True
        return False

    if has_circular_dependency(feature_id, request.depends_on):
        raise HTTPException(
            status_code=status.HTTP_400_BAD_REQUEST,
            detail="Circular dependency detected"
        )

    # Update the dependencies
    target_feature.depends_on = request.depends_on
    target_feature.updated_at = datetime.utcnow()

    # Update the feature map for chain calculation
    features = [f if f.id != feature_id else target_feature for f in features]

    # Get the full dependency chain
    chain = get_dependency_chain(feature_id, features)

    # Check if any feature in the chain has an assigned agent
    assigned_agent = None
    for fid in chain:
        if feature_map[fid].assigned_agent:
            if assigned_agent is None:
                assigned_agent = feature_map[fid].assigned_agent
            elif assigned_agent != feature_map[fid].assigned_agent:
                # Conflict: different agents assigned to features in the same chain
                # Prioritize keeping all in the same chain
                pass

    # If any feature in the chain has an agent, assign all to that agent
    if assigned_agent:
        for fid in chain:
            if feature_map[fid].assigned_agent != assigned_agent:
                feature_map[fid].assigned_agent = assigned_agent
                feature_map[fid].updated_at = datetime.utcnow()

    await db.commit()
    await db.refresh(target_feature)

    return FeatureResponse.model_validate(target_feature)

@router.post("/{name}/features/{feature_id}/assign-agent", response_model=List[FeatureResponse])
async def assign_feature_to_agent(
    name: str,
    feature_id: int,
    agent_id: str = Query(..., regex="^[AB]$", description="Agent ID (A or B)"),
    db: AsyncSession = Depends(get_db)
):
    """Assign a feature and all its dependencies to an agent.

    This ensures that all features in the dependency chain are assigned
    to the same agent to prevent conflicts.
    """
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Get all features for the project
    result = await db.execute(select(Feature).where(Feature.project_id == project.id))
    features = list(result.scalars().all())
    feature_map = {f.id: f for f in features}

    # Find the target feature
    if feature_id not in feature_map:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Feature {feature_id} not found in project '{name}'"
        )

    # Get the full dependency chain
    chain = get_dependency_chain(feature_id, features)

    # Check for conflicts with other agent
    other_agent = "B" if agent_id == "A" else "A"
    conflicting_features = [
        fid for fid in chain
        if feature_map[fid].assigned_agent == other_agent
    ]

    if conflicting_features:
        raise HTTPException(
            status_code=status.HTTP_409_CONFLICT,
            detail=f"Features {conflicting_features} in dependency chain are assigned to Agent {other_agent}"
        )

    # Assign all features in the chain to the agent
    updated_features = []
    for fid in chain:
        feature = feature_map[fid]
        if feature.assigned_agent != agent_id:
            feature.assigned_agent = agent_id
            feature.updated_at = datetime.utcnow()
        updated_features.append(feature)

    await db.commit()

    # Refresh all updated features
    for feature in updated_features:
        await db.refresh(feature)

    return [FeatureResponse.model_validate(f) for f in updated_features]

+        logger = logging.getLogger(__name__)

+            logger.warning(f"feature_depends_on({fid}, {check_id}), visited={visited}")

+                logger.warning(f"CYCLE: {fid} == {check_id}")

+            logger.warning(f"Feature {fid} depends_on={deps} (type={type(deps)}, raw={feature.depends_on})")

+        logger.warning(f"Checking circular: target={target_id}, new_deps={new_deps}")

+                logger.warning(f"FOUND CYCLE via {dep_id}")

+        logger.warning("No cycle found")


<task-notification>
<task-id>bb5ffa9</task-id>
<output-file>C:\Users\MIKESW~1\AppData\Local\Temp\claude\C--Users-MikeSwanson-claude-projects-Autocode-remix-Autocode-fork\tasks\bb5ffa9.output</output-file>
<status>killed</status>
<summary>Background command "Start server on port 8100" was killed.</summary>
</task-notification>
Read the output file to retrieve the result: C:\Users\MIKESW~1\AppData\Local\Temp\claude\C--Users-MikeSwanson-claude-projects-Autocode-remix-Autocode-fork\tasks\bb5ffa9.output


Successfully killed shell: bb5ffa9 (bash /c/Users/MikeSwanson/claude-projects/Autocode-remix/Autocode-fork/start_server_8100.sh)


Bash

Start server with logging


Command running in background with ID: b917f2e. Output is being written to: C:\Users\MIKESW~1\AppData\Local\Temp\claude\C--Users-MikeSwanson-claude-projects-Autocode-remix-Autocode-fork\tasks\b917f2e.output


First reset features 19 and 20, then try again:


sleep 6 && curl -s -X PUT "http://localhost:8100/api/projects/kanban-test/features/19/dependencies" -H "Content-Type: application/json" -d '{"depends_on": []}'

Reset feature 19 dependencies


Pending Feature 1

This is a pending feature

This is a pending feature


Bash

curl -s -X PUT "http://localhost:8100/api/projects/kanban-test/features/20/dependencies" -H "Content-Type: application/json" -d '{"depends_on": [19]}'

Set 20 depends on 19


Pending Feature 2

Another pending feature

Another pending feature


Now try to set 19 to depend on 20 (should be caught as circular):


Bash

curl -s -X PUT "http://localhost:8100/api/projects/kanban-test/features/19/dependencies" -H "Content-Type: application/json" -d '{"depends_on": [20]}'

Try circular dependency: 19 depends on 20


Pending Feature 1

This is a pending feature

This is a pending feature


<retrieval_status>not_ready</retrieval_status>

<task_id>b917f2e</task_id>

<task_type>local_bash</task_type>

<status>running</status>

<output>
[stderr] C:\Users\MikeSwanson\claude-projects\Autocode-remix\Autocode-fork\backend\app\routers\features.py:572: FastAPIDeprecationWarning: `regex` has been deprecated, please use `pattern` instead
  agent_id: str = Query(..., regex="^[AB]$", description="Agent ID (A or B)"),
[stderr] INFO:     Started server process [327944]
[stderr] INFO:     Waiting for application startup.
[stderr] INFO:     Application startup complete.
[stderr] ERROR:    [Errno 10048] error while attempting to bind on address ('127.0.0.1', 8100): [winerror 10048] only one usage of each socket address (protocol/network address/port) is normally permitted
INFO:     Waiting for application shutdown.
INFO:     Application shutdown complete.
</output>

Start server with logging

Output:
[stderr] C:\Users\MikeSwanson\claude-projects\Autocode-remix\Autocode-fork\backend\app\routers\features.py:572: FastAPIDeprecationWarning: `regex` has been deprecated, please use `pattern` instead
  agent_id: str = Query(..., regex="^[AB]$", description="Agent ID (A or B)"),
[stderr] INFO:     Started server process [327944]
[stderr] INFO:     Waiting for application startup.
[stderr] INFO:     Application startup complete.
[stderr] ERROR:    [Errno 10048] error while attempting to bind on address ('127.0.0.1', 8100): [winerror 10048] only one usage of each socket address (protocol/network address/port) is normally permitted
INFO:     Waiting for application shutdown.
INFO:     Application shutdown complete.


Another port conflict! The old server is still holding the port. Let me use port 8101:


Write

#!/bin/bash
# Start server on port 8101
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BACKEND_DIR="$SCRIPT_DIR/backend"
VENV_DIR="$BACKEND_DIR/venv"

# Determine the Python executable in venv
if [ -f "$VENV_DIR/Scripts/python.exe" ]; then
    VENV_PYTHON="$VENV_DIR/Scripts/python.exe"
elif [ -f "$VENV_DIR/bin/python" ]; then
    VENV_PYTHON="$VENV_DIR/bin/python"
else
    echo "ERROR: Could not find Python in virtual environment"
    exit 1
fi

cd "$BACKEND_DIR"
"$VENV_PYTHON" -m uvicorn app.main:app --host 127.0.0.1 --port 8101


File created successfully at: C:\Users\MikeSwanson\claude-projects\Autocode-remix\Autocode-fork\start_server_8101.sh

#!/bin/bash
# Start server on port 8101
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BACKEND_DIR="$SCRIPT_DIR/backend"
VENV_DIR="$BACKEND_DIR/venv"

# Determine the Python executable in venv
if [ -f "$VENV_DIR/Scripts/python.exe" ]; then
    VENV_PYTHON="$VENV_DIR/Scripts/python.exe"
elif [ -f "$VENV_DIR/bin/python" ]; then
    VENV_PYTHON="$VENV_DIR/bin/python"
else
    echo "ERROR: Could not find Python in virtual environment"
    exit 1
fi

cd "$BACKEND_DIR"
"$VENV_PYTHON" -m uvicorn app.main:app --host 127.0.0.1 --port 8101


Bash

Start server on port 8101


Command running in background with ID: b47c439. Output is being written to: C:\Users\MIKESW~1\AppData\Local\Temp\claude\C--Users-MikeSwanson-claude-projects-Autocode-remix-Autocode-fork\tasks\b47c439.output


sleep 6 && curl -s http://localhost:8101/api/projects/kanban-test/features/20

Check feature 20 current state on port 8101


Pending Feature 2

Another pending feature

Another pending feature


Good, server on 8101 is working. Now let me reset and test:


Bash

curl -s -X PUT "http://localhost:8101/api/projects/kanban-test/features/19/dependencies" -H "Content-Type: application/json" -d '{"depends_on": []}'

Reset feature 19


Pending Feature 1

This is a pending feature

This is a pending feature


Bash

curl -s -X PUT "http://localhost:8101/api/projects/kanban-test/features/20/dependencies" -H "Content-Type: application/json" -d '{"depends_on": [19]}'

Set 20 depends on 19


Pending Feature 2

Another pending feature

Another pending feature


Now try to set 19 to depend on 20 - should be caught:


Bash

curl -s -X PUT "http://localhost:8101/api/projects/kanban-test/features/19/dependencies" -H "Content-Type: application/json" -d '{"depends_on": [20]}'

Try circular: 19 depends on 20


Excellent! Now it's working! The circular dependency detection correctly blocked the cycle. Let me check the server logs:


<retrieval_status>not_ready</retrieval_status>

<task_id>b47c439</task_id>

<task_type>local_bash</task_type>

<status>running</status>

<output>
[stderr] C:\Users\MikeSwanson\claude-projects\Autocode-remix\Autocode-fork\backend\app\routers\features.py:572: FastAPIDeprecationWarning: `regex` has been deprecated, please use `pattern` instead
  agent_id: str = Query(..., regex="^[AB]$", description="Agent ID (A or B)"),
[stderr] INFO:     Started server process [331580]
INFO:     Waiting for application startup.
[stderr] INFO:     Application startup complete.
[stderr] INFO:     Uvicorn running on http://127.0.0.1:8101 (Press CTRL+C to quit)
Autocoder+ server starting on 127.0.0.1:8000
Initializing database...
Database initialized successfully
Running migrations...
Migrations complete
INFO:     127.0.0.1:61218 - "GET /api/projects/kanban-test/features/20 HTTP/1.1" 200 OK
[stderr] Checking circular: target=19, new_deps=[]
[stderr] No cycle found
INFO:     127.0.0.1:53181 - "PUT /api/projects/kanban-test/features/19/dependencies HTTP/1.1" 200 OK
[stderr] Checking circular: target=20, new_deps=[19]
[stderr] feature_depends_on(19, 20), visited=set()
Feature 19 depends_on=[] (type=<class 'list'>, raw=[])
No cycle found
INFO:     127.0.0.1:56166 - "PUT /api/projects/kanban-test/features/20/dependencies HTTP/1.1" 200 OK
[stderr] Checking circular: target=19, new_deps=[20]
feature_depends_on(20, 19), visited=set()
Feature 20 depends_on=[19] (type=<class 'list'>, raw=[19])
feature_depends_on(19, 19), visited={20}
CYCLE: 19 == 19
FOUND CYCLE via 20
INFO:     127.0.0.1:58500 - "PUT /api/projects/kanban-test/features/19/dependencies HTTP/1.1" 400 Bad Request
</output>

Start server on port 8101

Output:
[stderr] C:\Users\MikeSwanson\claude-projects\Autocode-remix\Autocode-fork\backend\app\routers\features.py:572: FastAPIDeprecationWarning: `regex` has been deprecated, please use `pattern` instead
  agent_id: str = Query(..., regex="^[AB]$", description="Agent ID (A or B)"),
[stderr] INFO:     Started server process [331580]
INFO:     Waiting for application startup.
[stderr] INFO:     Application startup complete.
[stderr] INFO:     Uvicorn running on http://127.0.0.1:8101 (Press CTRL+C to quit)
Autocoder+ server starting on 127.0.0.1:8000
Initializing database...
Database initialized successfully
Running migrations...
Migrations complete
INFO:     127.0.0.1:61218 - "GET /api/projects/kanban-test/features/20 HTTP/1.1" 200 OK
[stderr] Checking circular: target=19, new_deps=[]
[stderr] No cycle found
INFO:     127.0.0.1:53181 - "PUT /api/projects/kanban-test/features/19/dependencies HTTP/1.1" 200 OK
[stderr] Checking circular: target=20, new_deps=[19]
[stderr] feature_depends_on(19, 20), visited=set()
Feature 19 depends_on=[] (type=<class 'list'>, raw=[])
No cycle found
INFO:     127.0.0.1:56166 - "PUT /api/projects/kanban-test/features/20/dependencies HTTP/1.1" 200 OK
[stderr] Checking circular: target=19, new_deps=[20]
feature_depends_on(20, 19), visited=set()
Feature 20 depends_on=[19] (type=<class 'list'>, raw=[19])
feature_depends_on(19, 19), visited={20}
CYCLE: 19 == 19
FOUND CYCLE via 20
INFO:     127.0.0.1:58500 - "PUT /api/projects/kanban-test/features/19/dependencies HTTP/1.1" 400 Bad Request


The logging shows exactly what's happening:
1. When setting 19 depends on 20: Checks if 20 depends on 19
2. Feature 20 has `depends_on=[19]` - a proper list!
3. Following the chain: `feature_depends_on(19, 19)` - 19 == 19, cycle found!
4. Returns 400 Bad Request

Now the circular dependency detection is working. Let me clean up the logging and test the full feature (agent assignment with dependencies):


Edit

    # Detect circular dependencies - check if any new dependency would create a path back to target
    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
        """Check if adding new_deps to target_id creates a cycle.

        A cycle exists if any of the new dependencies eventually depend on target_id.
        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
        """
        import logging
        logger = logging.getLogger(__name__)

        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
            """Check if feature fid depends (directly or indirectly) on check_id."""
            logger.warning(f"feature_depends_on({fid}, {check_id}), visited={visited}")
            if fid == check_id:
                logger.warning(f"CYCLE: {fid} == {check_id}")
                return True
            if fid in visited:
                return False
            visited.add(fid)

            feature = feature_map.get(fid)
            if not feature:
                return False

            deps = feature.depends_on or []
            logger.warning(f"Feature {fid} depends_on={deps} (type={type(deps)}, raw={feature.depends_on})")
            for dep_id in deps:
                if feature_depends_on(dep_id, check_id, visited):
                    return True
            return False

        logger.warning(f"Checking circular: target={target_id}, new_deps={new_deps}")
        # Check: would any new dependency create a path back to target_id?
        for dep_id in new_deps:
            if feature_depends_on(dep_id, target_id, set()):
                logger.warning(f"FOUND CYCLE via {dep_id}")
                return True
        logger.warning("No cycle found")
        return False

    # Detect circular dependencies - check if any new dependency would create a path back to target
    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
        """Check if adding new_deps to target_id creates a cycle.

        A cycle exists if any of the new dependencies eventually depend on target_id.
        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
        """
        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
            """Check if feature fid depends (directly or indirectly) on check_id."""
            if fid == check_id:
                return True
            if fid in visited:
                return False
            visited.add(fid)

            feature = feature_map.get(fid)
            if not feature:
                return False

            deps = feature.depends_on or []
            for dep_id in deps:
                if feature_depends_on(dep_id, check_id, visited):
                    return True
            return False

        # Check: would any new dependency create a path back to target_id?
        for dep_id in new_deps:
            if feature_depends_on(dep_id, target_id, set()):
                return True
        return False


<tool_use_error>File has not been read yet. Read it first before writing to it.</tool_use_error>

Error: File has not been read yet. Read it first before writing to it.


   486→            )
   487→
   488→    # Detect circular dependencies - check if any new dependency would create a path back to target
   489→    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
   490→        """Check if adding new_deps to target_id creates a cycle.
   491→
   492→        A cycle exists if any of the new dependencies eventually depend on target_id.
   493→        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
   494→        """
   495→        import logging
   496→        logger = logging.getLogger(__name__)
   497→
   498→        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
   499→            """Check if feature fid depends (directly or indirectly) on check_id."""
   500→            logger.warning(f"feature_depends_on({fid}, {check_id}), visited={visited}")
   501→            if fid == check_id:
   502→                logger.warning(f"CYCLE: {fid} == {check_id}")
   503→                return True
   504→            if fid in visited:
   505→                return False
   506→            visited.add(fid)
   507→
   508→            feature = feature_map.get(fid)
   509→            if not feature:
   510→                return False
   511→
   512→            deps = feature.depends_on or []
   513→            logger.warning(f"Feature {fid} depends_on={deps} (type={type(deps)}, raw={feature.depends_on})")
   514→            for dep_id in deps:
   515→                if feature_depends_on(dep_id, check_id, visited):
   516→                    return True
   517→            return False
   518→
   519→        logger.warning(f"Checking circular: target={target_id}, new_deps={new_deps}")
   520→        # Check: would any new dependency create a path back to target_id?
   521→        for dep_id in new_deps:
   522→            if feature_depends_on(dep_id, target_id, set()):
   523→                logger.warning(f"FOUND CYCLE via {dep_id}")
   524→                return True
   525→        logger.warning("No cycle found")
   526→        return False
   527→
   528→    if has_circular_dependency(feature_id, request.depends_on):
   529→        raise HTTPException(
   530→            status_code=status.HTTP_400_BAD_REQUEST,
   531→            detail="Circular dependency detected"
   532→        )
   533→
   534→    # Update the dependencies
   535→    target_feature.depends_on = request.depends_on

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

            )

    # Detect circular dependencies - check if any new dependency would create a path back to target
    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
        """Check if adding new_deps to target_id creates a cycle.

        A cycle exists if any of the new dependencies eventually depend on target_id.
        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
        """
        import logging
        logger = logging.getLogger(__name__)

        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
            """Check if feature fid depends (directly or indirectly) on check_id."""
            logger.warning(f"feature_depends_on({fid}, {check_id}), visited={visited}")
            if fid == check_id:
                logger.warning(f"CYCLE: {fid} == {check_id}")
                return True
            if fid in visited:
                return False
            visited.add(fid)

            feature = feature_map.get(fid)
            if not feature:
                return False

            deps = feature.depends_on or []
            logger.warning(f"Feature {fid} depends_on={deps} (type={type(deps)}, raw={feature.depends_on})")
            for dep_id in deps:
                if feature_depends_on(dep_id, check_id, visited):
                    return True
            return False

        logger.warning(f"Checking circular: target={target_id}, new_deps={new_deps}")
        # Check: would any new dependency create a path back to target_id?
        for dep_id in new_deps:
            if feature_depends_on(dep_id, target_id, set()):
                logger.warning(f"FOUND CYCLE via {dep_id}")
                return True
        logger.warning("No cycle found")
        return False

    if has_circular_dependency(feature_id, request.depends_on):
        raise HTTPException(
            status_code=status.HTTP_400_BAD_REQUEST,
            detail="Circular dependency detected"
        )

    # Update the dependencies
    target_feature.depends_on = request.depends_on


    # Detect circular dependencies - check if any new dependency would create a path back to target
    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
        """Check if adding new_deps to target_id creates a cycle.

        A cycle exists if any of the new dependencies eventually depend on target_id.
        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
        """
        import logging
        logger = logging.getLogger(__name__)

        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
            """Check if feature fid depends (directly or indirectly) on check_id."""
            logger.warning(f"feature_depends_on({fid}, {check_id}), visited={visited}")
            if fid == check_id:
                logger.warning(f"CYCLE: {fid} == {check_id}")
                return True
            if fid in visited:
                return False
            visited.add(fid)

            feature = feature_map.get(fid)
            if not feature:
                return False

            deps = feature.depends_on or []
            logger.warning(f"Feature {fid} depends_on={deps} (type={type(deps)}, raw={feature.depends_on})")
            for dep_id in deps:
                if feature_depends_on(dep_id, check_id, visited):
                    return True
            return False

        logger.warning(f"Checking circular: target={target_id}, new_deps={new_deps}")
        # Check: would any new dependency create a path back to target_id?
        for dep_id in new_deps:
            if feature_depends_on(dep_id, target_id, set()):
                logger.warning(f"FOUND CYCLE via {dep_id}")
                return True
        logger.warning("No cycle found")
        return False

    # Detect circular dependencies - check if any new dependency would create a path back to target
    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
        """Check if adding new_deps to target_id creates a cycle.

        A cycle exists if any of the new dependencies eventually depend on target_id.
        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
        """
        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
            """Check if feature fid depends (directly or indirectly) on check_id."""
            if fid == check_id:
                return True
            if fid in visited:
                return False
            visited.add(fid)

            feature = feature_map.get(fid)
            if not feature:
                return False

            deps = feature.depends_on or []
            for dep_id in deps:
                if feature_depends_on(dep_id, check_id, visited):
                    return True
            return False

        # Check: would any new dependency create a path back to target_id?
        for dep_id in new_deps:
            if feature_depends_on(dep_id, target_id, set()):
                return True
        return False


The file C:\Users\MikeSwanson\claude-projects\Autocode-remix\Autocode-fork\backend\app\routers\features.py has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   484→                status_code=status.HTTP_400_BAD_REQUEST,
   485→                detail="A feature cannot depend on itself"
   486→            )
   487→
   488→    # Detect circular dependencies - check if any new dependency would create a path back to target
   489→    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
   490→        """Check if adding new_deps to target_id creates a cycle.
   491→
   492→        A cycle exists if any of the new dependencies eventually depend on target_id.
   493→        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
   494→        """
   495→        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
   496→            """Check if feature fid depends (directly or indirectly) on check_id."""
   497→            if fid == check_id:
   498→                return True
   499→            if fid in visited:
   500→                return False
   501→            visited.add(fid)
   502→
   503→            feature = feature_map.get(fid)
   504→            if not feature:
   505→                return False
   506→
   507→            deps = feature.depends_on or []
   508→            for dep_id in deps:
   509→                if feature_depends_on(dep_id, check_id, visited):
   510→                    return True
   511→            return False
   512→
   513→        # Check: would any new dependency create a path back to target_id?
   514→        for dep_id in new_deps:
   515→            if feature_depends_on(dep_id, target_id, set()):
   516→                return True
   517→        return False
   518→
   519→    if has_circular_dependency(feature_id, request.depends_on):
   520→        raise HTTPException(
   521→            status_code=status.HTTP_400_BAD_REQUEST,

    # Detect circular dependencies - check if any new dependency would create a path back to target
    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
        """Check if adding new_deps to target_id creates a cycle.

        A cycle exists if any of the new dependencies eventually depend on target_id.
        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
        """
        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
            """Check if feature fid depends (directly or indirectly) on check_id."""
            if fid == check_id:
                return True
            if fid in visited:
                return False
            visited.add(fid)

            feature = feature_map.get(fid)
            if not feature:
                return False

            deps = feature.depends_on or []
            for dep_id in deps:
                if feature_depends_on(dep_id, check_id, visited):
                    return True
            return False

        # Check: would any new dependency create a path back to target_id?
        for dep_id in new_deps:
            if feature_depends_on(dep_id, target_id, set()):
                return True
        return False

"""
Features Router
===============

API endpoints for feature management within projects.
"""

from datetime import datetime
from typing import Optional, List

from fastapi import APIRouter, Depends, HTTPException, status, Query
from pydantic import BaseModel, Field
from sqlalchemy import select, and_
from sqlalchemy.ext.asyncio import AsyncSession

from ..database import get_db
from ..models import Project, Feature

router = APIRouter(prefix="/api/projects", tags=["features"])

# ============================================================================
# Pydantic Schemas
# ============================================================================

class FeatureResponse(BaseModel):
    """Schema for feature response."""
    id: int
    project_id: int
    priority: int
    category: str
    name: str
    description: Optional[str]
    steps: List[str]
    passes: bool
    in_progress: bool
    stalled: bool
    stall_reason: Optional[str]
    assigned_agent: Optional[str]
    depends_on: List[int] = []
    created_at: datetime
    updated_at: datetime

    class Config:
        from_attributes = True

class FeatureListResponse(BaseModel):
    """Schema for feature list response."""
    features: List[FeatureResponse]
    count: int
    total: int

class FeatureCreate(BaseModel):
    """Schema for creating a feature."""
    priority: int = Field(default=0)
    category: str = Field(default="general")
    name: str = Field(..., min_length=1, max_length=255)
    description: Optional[str] = None
    steps: List[str] = Field(default_factory=list)
    depends_on: List[int] = Field(default_factory=list)

class FeatureUpdate(BaseModel):
    """Schema for updating a feature.

    Note: Only specific fields are allowed to be updated.
    Fields like name, description, category, and steps are immutable
    after creation and will be ignored if provided.
    """
    priority: Optional[int] = None
    passes: Optional[bool] = None
    in_progress: Optional[bool] = None
    stalled: Optional[bool] = None
    stall_reason: Optional[str] = None
    assigned_agent: Optional[str] = None
    depends_on: Optional[List[int]] = None

class DependencyChainResponse(BaseModel):
    """Schema for dependency chain response."""
    feature_id: int
    depends_on: List[int]
    depended_by: List[int]
    chain: List[int]  # All features in the dependency chain (same agent required)

class SetDependenciesRequest(BaseModel):
    """Schema for setting feature dependencies."""
    depends_on: List[int] = Field(default_factory=list)

class FeatureStatsResponse(BaseModel):
    """Schema for feature statistics."""
    total: int
    passing: int
    in_progress: int
    stalled: int
    pending: int
    percentage: float

# ============================================================================
# API Endpoints
# ============================================================================

@router.get("/{name}/features", response_model=FeatureListResponse)
async def list_features(
    name: str,
    status: Optional[str] = Query(None, description="Filter by status: pending, passing, in_progress, stalled"),
    category: Optional[str] = Query(None, description="Filter by category"),
    limit: int = Query(100, ge=1, le=1000),
    offset: int = Query(0, ge=0),
    db: AsyncSession = Depends(get_db)
):
    """List features for a project with optional filters."""
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Build query
    query = select(Feature).where(Feature.project_id == project.id)

    # Apply status filter
    if status:
        if status == "pending":
            query = query.where(and_(
                Feature.passes == False,
                Feature.in_progress == False,
                Feature.stalled == False
            ))
        elif status == "passing":
            query = query.where(Feature.passes == True)
        elif status == "in_progress":
            query = query.where(Feature.in_progress == True)
        elif status == "stalled":
            query = query.where(Feature.stalled == True)

    # Apply category filter
    if category:
        query = query.where(Feature.category == category)

    # Get total count before pagination
    count_query = select(Feature).where(Feature.project_id == project.id)
    count_result = await db.execute(count_query)
    total = len(count_result.scalars().all())

    # Apply pagination
    query = query.order_by(Feature.priority).offset(offset).limit(limit)
    result = await db.execute(query)
    features = result.scalars().all()

    return FeatureListResponse(
        features=[FeatureResponse.model_validate(f) for f in features],
        count=len(features),
        total=total
    )

@router.get("/{name}/features/stats", response_model=FeatureStatsResponse)
async def get_feature_stats(name: str, db: AsyncSession = Depends(get_db)):
    """Get feature statistics for a project."""
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Get all features
    result = await db.execute(select(Feature).where(Feature.project_id == project.id))
    features = result.scalars().all()

    total = len(features)
    passing = sum(1 for f in features if f.passes)
    in_progress = sum(1 for f in features if f.in_progress)
    stalled = sum(1 for f in features if f.stalled)
    pending = total - passing - in_progress - stalled

    return FeatureStatsResponse(
        total=total,
        passing=passing,
        in_progress=in_progress,
        stalled=stalled,
        pending=pending,
        percentage=round((passing / total * 100) if total > 0 else 0, 1)
    )

@router.get("/{name}/features/{feature_id}", response_model=FeatureResponse)
async def get_feature(name: str, feature_id: int, db: AsyncSession = Depends(get_db)):
    """Get a specific feature by ID."""
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Get feature
    result = await db.execute(
        select(Feature).where(and_(
            Feature.id == feature_id,
            Feature.project_id == project.id
        ))
    )
    feature = result.scalar_one_or_none()

    if not feature:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Feature {feature_id} not found in project '{name}'"
        )

    return FeatureResponse.model_validate(feature)

@router.post("/{name}/features", response_model=FeatureResponse, status_code=status.HTTP_201_CREATED)
async def create_feature(name: str, feature: FeatureCreate, db: AsyncSession = Depends(get_db)):
    """Create a new feature for a project."""
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Create feature
    db_feature = Feature(
        project_id=project.id,
        priority=feature.priority,
        category=feature.category,
        name=feature.name,
        description=feature.description,
        steps=feature.steps,
        depends_on=feature.depends_on,
    )
    db.add(db_feature)
    await db.commit()
    await db.refresh(db_feature)

    return FeatureResponse.model_validate(db_feature)

@router.put("/{name}/features/{feature_id}", response_model=FeatureResponse)
async def update_feature(name: str, feature_id: int, feature_update: FeatureUpdate, db: AsyncSession = Depends(get_db)):
    """Update a feature (limited fields)."""
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Get feature
    result = await db.execute(
        select(Feature).where(and_(
            Feature.id == feature_id,
            Feature.project_id == project.id
        ))
    )
    feature = result.scalar_one_or_none()

    if not feature:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Feature {feature_id} not found in project '{name}'"
        )

    # Update allowed fields only (name, description, category, steps are immutable)
    if feature_update.priority is not None:
        feature.priority = feature_update.priority
    if feature_update.passes is not None:
        feature.passes = feature_update.passes
    if feature_update.in_progress is not None:
        feature.in_progress = feature_update.in_progress
    if feature_update.stalled is not None:
        feature.stalled = feature_update.stalled
    if feature_update.stall_reason is not None:
        feature.stall_reason = feature_update.stall_reason
    if feature_update.assigned_agent is not None:
        feature.assigned_agent = feature_update.assigned_agent
    if feature_update.depends_on is not None:
        feature.depends_on = feature_update.depends_on

    feature.updated_at = datetime.utcnow()
    await db.commit()
    await db.refresh(feature)

    return FeatureResponse.model_validate(feature)

@router.post("/{name}/features/{feature_id}/unstall", response_model=FeatureResponse)
async def unstall_feature(name: str, feature_id: int, db: AsyncSession = Depends(get_db)):
    """Clear stalled status from a feature."""
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Get feature
    result = await db.execute(
        select(Feature).where(and_(
            Feature.id == feature_id,
            Feature.project_id == project.id
        ))
    )
    feature = result.scalar_one_or_none()

    if not feature:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Feature {feature_id} not found in project '{name}'"
        )

    feature.stalled = False
    feature.stall_reason = None
    feature.updated_at = datetime.utcnow()
    await db.commit()
    await db.refresh(feature)

    return FeatureResponse.model_validate(feature)

# ============================================================================
# Dependency Management Endpoints
# ============================================================================

def get_dependency_chain(feature_id: int, features: List[Feature]) -> set:
    """Get all features in the dependency chain (recursively).

    This finds all features that either:
    - This feature depends on (directly or transitively)
    - Depend on this feature (directly or transitively)

    All features in this chain must be assigned to the same agent.
    """
    feature_map = {f.id: f for f in features}
    chain = set()
    visited = set()

    def collect_dependencies(fid: int):
        """Recursively collect all features this one depends on."""
        if fid in visited or fid not in feature_map:
            return
        visited.add(fid)
        chain.add(fid)
        feature = feature_map[fid]
        for dep_id in (feature.depends_on or []):
            collect_dependencies(dep_id)

    def collect_dependents(fid: int):
        """Recursively collect all features that depend on this one."""
        if fid in visited:
            return
        visited.add(fid)
        chain.add(fid)
        for f in features:
            if fid in (f.depends_on or []):
                collect_dependents(f.id)

    # Reset visited for each direction
    visited = set()
    collect_dependencies(feature_id)
    visited = set()
    collect_dependents(feature_id)

    return chain

@router.get("/{name}/features/{feature_id}/dependencies", response_model=DependencyChainResponse)
async def get_feature_dependencies(name: str, feature_id: int, db: AsyncSession = Depends(get_db)):
    """Get dependency information for a feature."""
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Get all features for the project
    result = await db.execute(select(Feature).where(Feature.project_id == project.id))
    features = result.scalars().all()

    # Find the target feature
    target_feature = None
    for f in features:
        if f.id == feature_id:
            target_feature = f
            break

    if not target_feature:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Feature {feature_id} not found in project '{name}'"
        )

    # Get features that depend on this one
    depended_by = [f.id for f in features if feature_id in (f.depends_on or [])]

    # Get full dependency chain
    chain = get_dependency_chain(feature_id, features)

    return DependencyChainResponse(
        feature_id=feature_id,
        depends_on=target_feature.depends_on or [],
        depended_by=depended_by,
        chain=sorted(list(chain))
    )

@router.put("/{name}/features/{feature_id}/dependencies", response_model=FeatureResponse)
async def set_feature_dependencies(
    name: str,
    feature_id: int,
    request: SetDependenciesRequest,
    db: AsyncSession = Depends(get_db)
):
    """Set dependencies for a feature.

    If the feature or any of its dependencies are already assigned to an agent,
    all features in the dependency chain will be assigned to the same agent.
    """
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Get all features for the project
    result = await db.execute(select(Feature).where(Feature.project_id == project.id))
    features = list(result.scalars().all())
    feature_map = {f.id: f for f in features}

    # Find the target feature
    if feature_id not in feature_map:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Feature {feature_id} not found in project '{name}'"
        )

    target_feature = feature_map[feature_id]

    # Validate all dependency IDs exist in the same project
    for dep_id in request.depends_on:
        if dep_id not in feature_map:
            raise HTTPException(
                status_code=status.HTTP_400_BAD_REQUEST,
                detail=f"Dependency feature {dep_id} not found in project '{name}'"
            )
        if dep_id == feature_id:
            raise HTTPException(
                status_code=status.HTTP_400_BAD_REQUEST,
                detail="A feature cannot depend on itself"
            )

    # Detect circular dependencies - check if any new dependency would create a path back to target
    def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
        """Check if adding new_deps to target_id creates a cycle.

        A cycle exists if any of the new dependencies eventually depend on target_id.
        For example: if we add dep 19 to feature 20, check if 19 depends on 20 (directly or indirectly).
        """
        import logging
        logger = logging.getLogger(__name__)

        def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
            """Check if feature fid depends (directly or indirectly) on check_id."""
            logger.warning(f"feature_depends_on({fid}, {check_id}), visited={visited}")
            if fid == check_id:
                logger.warning(f"CYCLE: {fid} == {check_id}")
                return True
            if fid in visited:
                return False
            visited.add(fid)

            feature = feature_map.get(fid)
            if not feature:
                return False

            deps = feature.depends_on or []
            logger.warning(f"Feature {fid} depends_on={deps} (type={type(deps)}, raw={feature.depends_on})")
            for dep_id in deps:
                if feature_depends_on(dep_id, check_id, visited):
                    return True
            return False

        logger.warning(f"Checking circular: target={target_id}, new_deps={new_deps}")
        # Check: would any new dependency create a path back to target_id?
        for dep_id in new_deps:
            if feature_depends_on(dep_id, target_id, set()):
                logger.warning(f"FOUND CYCLE via {dep_id}")
                return True
        logger.warning("No cycle found")
        return False

    if has_circular_dependency(feature_id, request.depends_on):
        raise HTTPException(
            status_code=status.HTTP_400_BAD_REQUEST,
            detail="Circular dependency detected"
        )

    # Update the dependencies
    target_feature.depends_on = request.depends_on
    target_feature.updated_at = datetime.utcnow()

    # Update the feature map for chain calculation
    features = [f if f.id != feature_id else target_feature for f in features]

    # Get the full dependency chain
    chain = get_dependency_chain(feature_id, features)

    # Check if any feature in the chain has an assigned agent
    assigned_agent = None
    for fid in chain:
        if feature_map[fid].assigned_agent:
            if assigned_agent is None:
                assigned_agent = feature_map[fid].assigned_agent
            elif assigned_agent != feature_map[fid].assigned_agent:
                # Conflict: different agents assigned to features in the same chain
                # Prioritize keeping all in the same chain
                pass

    # If any feature in the chain has an agent, assign all to that agent
    if assigned_agent:
        for fid in chain:
            if feature_map[fid].assigned_agent != assigned_agent:
                feature_map[fid].assigned_agent = assigned_agent
                feature_map[fid].updated_at = datetime.utcnow()

    await db.commit()
    await db.refresh(target_feature)

    return FeatureResponse.model_validate(target_feature)

@router.post("/{name}/features/{feature_id}/assign-agent", response_model=List[FeatureResponse])
async def assign_feature_to_agent(
    name: str,
    feature_id: int,
    agent_id: str = Query(..., regex="^[AB]$", description="Agent ID (A or B)"),
    db: AsyncSession = Depends(get_db)
):
    """Assign a feature and all its dependencies to an agent.

    This ensures that all features in the dependency chain are assigned
    to the same agent to prevent conflicts.
    """
    # Verify project exists
    result = await db.execute(select(Project).where(Project.name == name))
    project = result.scalar_one_or_none()

    if not project:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Project '{name}' not found"
        )

    # Get all features for the project
    result = await db.execute(select(Feature).where(Feature.project_id == project.id))
    features = list(result.scalars().all())
    feature_map = {f.id: f for f in features}

    # Find the target feature
    if feature_id not in feature_map:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Feature {feature_id} not found in project '{name}'"
        )

    # Get the full dependency chain
    chain = get_dependency_chain(feature_id, features)

    # Check for conflicts with other agent
    other_agent = "B" if agent_id == "A" else "A"
    conflicting_features = [
        fid for fid in chain
        if feature_map[fid].assigned_agent == other_agent
    ]

    if conflicting_features:
        raise HTTPException(
            status_code=status.HTTP_409_CONFLICT,
            detail=f"Features {conflicting_features} in dependency chain are assigned to Agent {other_agent}"
        )

    # Assign all features in the chain to the agent
    updated_features = []
    for fid in chain:
        feature = feature_map[fid]
        if feature.assigned_agent != agent_id:
            feature.assigned_agent = agent_id
            feature.updated_at = datetime.utcnow()
        updated_features.append(feature)

    await db.commit()

    # Refresh all updated features
    for feature in updated_features:
        await db.refresh(feature)

    return [FeatureResponse.model_validate(f) for f in updated_features]

-        logger = logging.getLogger(__name__)

-            logger.warning(f"feature_depends_on({fid}, {check_id}), visited={visited}")

-                logger.warning(f"CYCLE: {fid} == {check_id}")

-            logger.warning(f"Feature {fid} depends_on={deps} (type={type(deps)}, raw={feature.depends_on})")

-        logger.warning(f"Checking circular: target={target_id}, new_deps={new_deps}")

-                logger.warning(f"FOUND CYCLE via {dep_id}")

-        logger.warning("No cycle found")


Good. Now let me test the assign-agent endpoint which ensures all features in a dependency chain get assigned to the same agent:


<task-notification>
<task-id>b47c439</task-id>
<output-file>C:\Users\MIKESW~1\AppData\Local\Temp\claude\C--Users-MikeSwanson-claude-projects-Autocode-remix-Autocode-fork\tasks\b47c439.output</output-file>
<status>killed</status>
<summary>Background command "Start server on port 8101" was killed.</summary>
</task-notification>
Read the output file to retrieve the result: C:\Users\MIKESW~1\AppData\Local\Temp\claude\C--Users-MikeSwanson-claude-projects-Autocode-remix-Autocode-fork\tasks\b47c439.output


Successfully killed shell: b47c439 (bash /c/Users/MikeSwanson/claude-projects/Autocode-remix/Autocode-fork/start_server_8101.sh)


Bash

Restart server on 8101


Command running in background with ID: b92fa26. Output is being written to: C:\Users\MIKESW~1\AppData\Local\Temp\claude\C--Users-MikeSwanson-claude-projects-Autocode-remix-Autocode-fork\tasks\b92fa26.output


sleep 6 && curl -s http://localhost:8101/api/projects/kanban-test/features/20/dependencies

Check feature 20 dependency chain


The dependency chain shows features 19 and 20 are in the same chain. Now let me test assigning feature 20 to Agent A - it should also assign feature 19:


curl -s -X POST "http://localhost:8101/api/projects/kanban-test/features/20/assign-agent?agent_id=A"

Assign feature 20 to Agent A


Pending Feature 1

This is a pending feature

Pending Feature 2

Another pending feature

Pending Feature 1

This is a pending feature

Pending Feature 2

Another pending feature


Both features 19 and 20 are now assigned to Agent A. Now let me test that trying to assign a dependent feature to Agent B fails:


Bash

curl -s -X POST "http://localhost:8101/api/projects/kanban-test/features/19/assign-agent?agent_id=B"

Try assigning feature 19 to Agent B (should fail)


Features [19, 20] in dependency chain are assigned to Agent A


Excellent! The system correctly prevents assigning feature 19 to Agent B because feature 20 (which depends on 19) is already assigned to Agent A.

Now let me verify all this through the browser UI to complete the feature test. Let me update the frontend to update the port:


     1→import { defineConfig } from 'vite'
     2→import react from '@vitejs/plugin-react'
     3→
     4→// https://vitejs.dev/config/
     5→export default defineConfig({
     6→  plugins: [react()],
     7→  server: {
     8→    port: 5173,
     9→    strictPort: false,
    10→    proxy: {
    11→      '/api': {
    12→        target: 'http://127.0.0.1:8098',
    13→        changeOrigin: true,
    14→      },
    15→      '/ws': {
    16→        target: 'ws://127.0.0.1:8098',
    17→        ws: true,
    18→      },
    19→    },
    20→  },
    21→})
    22→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'

// https://vitejs.dev/config/
export default defineConfig({
  plugins: [react()],
  server: {
    port: 5173,
    strictPort: false,
    proxy: {
      '/api': {
        target: 'http://127.0.0.1:8098',
        changeOrigin: true,
      },
      '/ws': {
        target: 'ws://127.0.0.1:8098',
        ws: true,
      },
    },
  },
})


Conversation compacted


This session is being continued from a previous conversation that ran out of context. The conversation is summarized below:
Analysis:
Let me analyze the conversation chronologically:

1. **Initial Setup and Context**
   - User provided detailed instructions for a coding agent working on "Autocoder+" project
   - This is a fresh context window for an ongoing autonomous development task
   - Project is building an enhanced Autocoder with interactive permission management, dual-agent execution, terminal views, etc.

2. **Step 1: Getting Bearings**
   - Read app_spec.txt - project specification for Autocoder+
   - Read claude-progress.txt - previous session notes showing 85/106 features passing (80.2%)
   - Checked git history
   - Used feature_get_stats: 85 passing, 0 in progress, 106 total

3. **Regression Testing**
   - Tested Feature #46 (Bulk select features on Kanban) - PASSED
   - Tested Feature #91 (Keyboard shortcut Ctrl+K opens project selector) - PASSED

4. **Feature #78: Feature dependency prevents cross-assignment**
   - Marked as in-progress
   - This feature requires:
     - Create features with dependencies
     - Start both agents
     - Verify dependent features assigned to same agent
     - Verify no dependency chain split across agents

5. **Implementation Work**
   - Added `depends_on` field to Feature model (backend/app/models/feature.py)
   - Updated FeatureResponse, FeatureCreate, FeatureUpdate schemas
   - Added new schemas: DependencyChainResponse, SetDependenciesRequest
   - Created endpoints:
     - GET /features/{id}/dependencies - get dependency chain
     - PUT /features/{id}/dependencies - set dependencies
     - POST /features/{id}/assign-agent - assign feature and all dependencies to agent
   - Added circular dependency detection algorithm
   - Added migration in main.py to add depends_on column

6. **Major Issues Encountered**
   - Server stuck on reload (WatchFiles on Windows)
   - Port conflicts with old server processes
   - Had to use different ports (8099, 8100, 8101)
   - Circular dependency check initially not working - turned out old server was still running

7. **Final Testing**
   - Successfully tested:
     - Setting dependencies (20 depends on 19)
     - Circular dependency detection (19 depends on 20 correctly blocked)
     - Assign-agent endpoint (assigning 20 to Agent A also assigns 19)
     - Conflict prevention (assigning 19 to Agent B correctly fails because 20 is on Agent A)

Summary:
1. Primary Request and Intent:
   The user is running an autonomous coding agent to implement features for "Autocoder+" - an enhanced autonomous coding agent tool. The session goal is to complete at least one feature perfectly. The agent was tasked with:
   - Getting bearings (checking project state, reading specs, checking feature progress)
   - Running regression tests on passing features
   - Implementing Feature #78: "Feature dependency prevents cross-assignment"
   - Verifying through browser automation

2. Key Technical Concepts:
   - FastAPI backend with SQLAlchemy async ORM
   - SQLite database with JSON columns for arrays
   - React 18 frontend with TypeScript and Tailwind CSS
   - Dual-agent execution (Agent A and Agent B working in parallel)
   - Feature dependency management to prevent conflicts
   - Circular dependency detection algorithm
   - Database migrations via startup hooks
   - Uvicorn server with --reload flag issues on Windows

3. Files and Code Sections:
   - **backend/app/models/feature.py**
     - Added `depends_on` field for dependency tracking
     ```python
     depends_on: Mapped[list] = mapped_column(JSON, default=list)  # List of feature IDs this feature depends on
     ```

   - **backend/app/routers/features.py**
     - Core file for feature dependency endpoints
     - Added schemas:
     ```python
     class DependencyChainResponse(BaseModel):
         feature_id: int
         depends_on: List[int]
         depended_by: List[int]
         chain: List[int]

     class SetDependenciesRequest(BaseModel):
         depends_on: List[int] = Field(default_factory=list)
     ```
     - Added circular dependency detection:
     ```python
     def has_circular_dependency(target_id: int, new_deps: List[int]) -> bool:
         def feature_depends_on(fid: int, check_id: int, visited: set) -> bool:
             if fid == check_id:
                 return True
             if fid in visited:
                 return False
             visited.add(fid)
             feature = feature_map.get(fid)
             if not feature:
                 return False
             deps = feature.depends_on or []
             for dep_id in deps:
                 if feature_depends_on(dep_id, check_id, visited):
                     return True
             return False

         for dep_id in new_deps:
             if feature_depends_on(dep_id, target_id, set()):
                 return True
         return False
     ```
     - Added endpoints for GET/PUT dependencies and POST assign-agent

   - **backend/app/main.py**
     - Added database migration for depends_on column:
     ```python
     async def run_migrations():
         async with engine.begin() as conn:
             result = await conn.execute(text("PRAGMA table_info(features)"))
             columns = [row[1] for row in result.fetchall()]
             if 'depends_on' not in columns:
                 await conn.execute(text('ALTER TABLE features ADD COLUMN depends_on JSON DEFAULT "[]"'))
     ```

   - **start_server_8101.sh** (and similar)
     - Created multiple server startup scripts for different ports to work around port conflicts

4. Errors and Fixes:
   - **WatchFiles stuck on "Reloading..."**: Windows file watcher seemed to hang. Fixed by killing server and restarting without --reload or using a different port.
   - **Port conflicts (ERRNO 10048)**: Old server processes holding ports. Fixed by using new ports (8098 → 8099 → 8100 → 8101).
   - **Circular dependency false positive**: Initial algorithm was wrong - it started DFS from target_id and immediately returned True. Fixed by restructuring to check if any new dependency leads BACK to target.
   - **depends_on field missing from API response**: Server not reloading due to stuck WatchFiles. Fixed by restarting on new port.

5. Problem Solving:
   - Successfully implemented feature dependency system
   - Circular dependency detection working correctly
   - Agent assignment with dependency chain working
   - Conflict detection preventing cross-agent assignment
   - API endpoints all functional and tested via curl

6. All User Messages:
   - Initial detailed prompt with instructions for coding agent session (Step 1-10 workflow)
   - System reminders about blocked commands (cd, netstat, tasklist, python, sqlite3)
   - System reminders about TodoWrite tool (ignored per instructions)

7. Pending Tasks:
   - Complete UI verification of Feature #78 through browser automation
   - Mark Feature #78 as passing after full verification
   - Update claude-progress.txt with session notes
   - Commit changes to git
   - Update frontend to work with new dependency endpoints (if needed)

8. Current Work:
   Working on Feature #78 "Feature dependency prevents cross-assignment". Backend implementation is complete and tested via API:
   - Dependencies can be set between features
   - Circular dependency detection prevents cycles
   - assign-agent endpoint assigns entire dependency chain to same agent
   - Conflict detection prevents assigning dependent features to different agents

   Last successful tests on port 8101:
   ```
   curl -s -X POST "http://localhost:8101/api/projects/kanban-test/features/20/assign-agent?agent_id=A"
   # Returned both features 19 and 20 assigned to Agent A

   curl -s -X POST "http://localhost:8101/api/projects/kanban-test/features/19/assign-agent?agent_id=B"
   # Returned: {"detail":"Features [19, 20] in dependency chain are assigned to Agent A"}
   ```

9. Optional Next Step:
   Verify Feature #78 through browser UI to complete the test. The frontend at port 5173 proxies to port 8098, but the working backend is on port 8101. Need to either:
   1. Update vite.config.ts to proxy to port 8101, OR
   2. Ensure port 8098 server has the updated code

   Then use browser automation to:
   - Navigate to kanban-test project
   - Create features with dependencies
   - Start both agents
   - Verify dependent features are assigned to same agent
   - Mark feature #78 as passing.

If you need specific details from before compaction (like exact code snippets, error messages, or content you generated), read the full transcript at: C:\Users\MikeSwanson\.claude\projects\C--Users-MikeSwanson-claude-projects-Autocode-remix-Autocode-fork\0258a4cf-ee10-4332-b88f-0c2e9d109bcf.jsonl
Please continue the conversation from where we left it off without asking the user any further questions. Continue with the last task that you were asked to work on.


I'll continue from where we left off. The backend implementation for Feature #78 (Feature dependency prevents cross-assignment) is complete and tested via API. Now I need to:

1. Update the Vite proxy to point to the working backend (port 8101 instead of 8098)
2. Verify through browser UI
3. Mark the feature as passing

Let me first update the Vite config to proxy to the correct port: