Mike Swanson
4828be10e2
Author: Mike Swanson Machine: DESKTOP-0O8A1RL Timestamp: 2026-05-13 08:02:55
111 lines
8.3 KiB
Markdown
111 lines
8.3 KiB
Markdown
# Session Log — 2026-05-13
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## User
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- **User:** Mike Swanson (mike)
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- **Machine:** DESKTOP-0O8A1RL
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- **Role:** admin
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- **Session span:** ~07:19 – 08:05 MT
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---
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## Session Summary
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Session opened with a routine `/sync` (repos already in sync). Mike then shared a screenshot showing Claude Code UI elements — progress bars and bullet symbols — rendering as `?` characters in Windows Terminal. Diagnosed as a Windows console code page issue: subprocesses (SSH, PowerShell children) reset the active code page from UTF-8 to an OEM code page (437/850), which drops Unicode block characters. Fixed by creating a new PowerShell profile at `C:\Users\guru\Documents\WindowsPowerShell\Microsoft.PowerShell_profile.ps1` that forces `[Console]::OutputEncoding`, `[Console]::InputEncoding`, and `$OutputEncoding` to UTF-8 on every session. Sent Howard a coord message about the same fix in case he hits the same issue.
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Mike then asked whether the coordination API message check was hook-driven or memory-dependent. Confirmed it was purely instruction-based (no hook), and proposed a `UserPromptSubmit` hook to automate it. Implemented `check-messages.sh` — a bash script that hits the coord messages API on every prompt, displays unread messages, marks them read immediately, and (in dev mode) also checks for active locks. Wired it into `settings.json` initially, discovered that relative paths fail when Claude Code doesn't run hooks from the project root (exit 127), then moved the hook to `settings.local.json` with an absolute path.
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Added dev-mode lock checking gated on `.claude/current-mode` (a gitignored machine-local file). Added a CLAUDE.md instruction requiring Claude to write this file on every mode change. Extended the hook to display active locks with holder, resource, reason, and expiry when mode is `dev`. Verified with a real test lock created against `gururmm/server/src`.
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Addressed the visibility gap: hook output goes into Claude's system-reminder context but is invisible to the user in the terminal. Fixed with two mechanisms: (1) a `notify.ps1` PowerShell script that fires a WinRT toast notification (no BurntToast required — uses the built-in `Windows.UI.Notifications` WinRT API via PowerShell's AUMID), called in the background from `check-messages.sh`; (2) a CLAUDE.md rule requiring Claude to reproduce any injected coord messages verbatim in its response text. Verified the toast fires and the mark-as-read pipeline works end-to-end. Sent Howard a coord API message instructing his Claude session to automatically add the hook to his `settings.local.json` after his next `/sync`.
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---
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## Key Decisions
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- **Hook in `settings.local.json`, not `settings.json`:** The hook command requires an absolute path (relative paths fail when hooks don't run from project root). Absolute paths are machine-specific, so they belong in the gitignored local settings file. Howard's Claude session will add its own entry after syncing.
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- **Mode file at `.claude/current-mode` (gitignored):** Mode is auto-detected per message and not persisted anywhere. Created a machine-local file that Claude writes on every mode change so the hook can gate the lock check without API calls in non-dev modes.
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- **WinRT toast without BurntToast:** BurntToast was not installed. Used `Windows.UI.Notifications` WinRT API directly via PowerShell with `{1AC14E77-02E7-4E5D-B744-2EB1AE5198B7}\WindowsPowerShell\v1.0\powershell.exe` as the AUMID. Works natively on Windows 10/11.
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- **Toast fires in background (`&`):** The hook must not block the prompt. Toast is dispatched async and the hook exits 0 immediately.
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- **`tr -d '\r'` on jq output:** jq on Windows emits `\r\n` line endings. Without stripping `\r`, the message ID appended to the URL caused curl exit code 3 (URL malformed), silently breaking the mark-as-read step.
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- **CLAUDE.md display rule:** Claude sees coord messages as system-reminders but the user does not. Added an explicit rule to reproduce injected messages verbatim in the response text so users always see them.
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---
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## Problems Encountered
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- **Relative hook path (exit 127):** Initial hook command `bash .claude/scripts/check-messages.sh` in `settings.json` failed with "No such file or directory" because Claude Code does not guarantee the project root as the hook working directory. Fixed by moving to `settings.local.json` with absolute path `bash D:/claudetools/.claude/scripts/check-messages.sh`.
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- **Mark-as-read silently failing (curl exit 3):** The while-loop curl call to mark messages read was failing with exit code 3 (URL malformed). Root cause: jq output had `\r` appended to IDs on Windows. Fixed with `| tr -d '\r'` in the pipeline.
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- **WinRT XML type mismatch:** First toast attempt used `[xml]` (System.Xml.XmlDocument) which cannot be cast to `Windows.Data.Xml.Dom.XmlDocument`. Fixed by instantiating the WinRT type directly: `[Windows.Data.Xml.Dom.XmlDocument, Windows.Data.Xml.Dom, ContentType=WindowsRuntime]::new()`.
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- **Pre-bash hook blocking curl payload:** Attempt to send Howard's instruction message via inline bash with `\n` escape sequences in the JSON body was blocked by the pre-bash-backslash hook. Worked around by writing the JSON to a temp file and using `-d @file`.
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- **Trailing comma in settings.json:** After removing the hooks block, a trailing comma remained. Fixed before sync.
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---
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## Configuration Changes
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| File | Action | Notes |
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| `C:\Users\guru\Documents\WindowsPowerShell\Microsoft.PowerShell_profile.ps1` | Created | UTF-8 encoding fix for PowerShell sessions |
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| `.claude/scripts/check-messages.sh` | Created | UserPromptSubmit hook — coord messages + dev lock check |
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| `.claude/scripts/notify.ps1` | Created | WinRT toast notification helper |
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| `.claude/settings.json` | Modified | Removed hook (moved to local); cleaned trailing comma |
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| `.claude/settings.local.json` | Modified | Added `UserPromptSubmit` hook with absolute path |
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| `.claude/CLAUDE.md` | Modified | Added mode persistence instruction; added coord message display rule |
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| `.gitignore` | Modified | Added `.claude/current-mode` to gitignore |
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| `.claude/current-mode` | Created (gitignored) | Set to `dev` during testing; machine-local |
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---
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## Credentials & Secrets
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None created or discovered this session.
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---
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## Infrastructure & Servers
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- **Coord API:** `http://172.16.3.30:8001/api/coord/` — messages, locks endpoints used
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- **Messages endpoint:** `GET /api/coord/messages?to_session=<SESSION>&unread_only=true` — paginated envelope `{total, messages[]}`
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- **Locks endpoint:** `GET /api/coord/locks` — paginated envelope `{total, locks[]}`
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- **Mark-as-read:** `PUT /api/coord/messages/<id>/read`
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---
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## Commands & Outputs
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```bash
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# Full hook test — verifies message display, toast fire, and mark-as-read
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bash D:/claudetools/.claude/scripts/check-messages.sh
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# Send coord message via file payload (avoids pre-bash-backslash hook)
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curl -s -X POST http://172.16.3.30:8001/api/coord/messages \
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-H "Content-Type: application/json" \
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-d @D:/claudetools/.claude/tmp/howard-hook-msg.json
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# Toast test
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powershell.exe -NonInteractive -NoProfile -Command \
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"& 'D:/claudetools/.claude/scripts/notify.ps1' -Title 'ClaudeTools: 1 new message(s)' -Message 'test'"
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# Activate dev mode lock checking
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echo dev > .claude/current-mode
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```
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---
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## Pending / Incomplete Tasks
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- **Howard's hook setup:** Coord message sent (`5c05ae42`) instructing Howard's Claude session to add the hook to his `settings.local.json` after his next `/sync`. Needs verification that it auto-executed correctly.
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- **Hook on Howard's machine:** `notify.ps1` path will need to match Howard's repo location — the action message instructed Claude to use `pwd` to determine the correct path.
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- **ACG-TECH03L settings.local.json:** Howard has two known machines; the hook message targeted `Howard-Home`. ACG-TECH03L will need the same treatment separately.
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---
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## Reference Information
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- **Commits this session:** `86d1019`, `a154459`, `46bd5fc`, `9e09f47`
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- **Coord messages sent:** Howard UTF-8 fix notice, Howard hook test, self hook display test (×2), Howard ACTION hook setup (`5c05ae42`)
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- **PowerShell AUMID for WinRT toasts:** `{1AC14E77-02E7-4E5D-B744-2EB1AE5198B7}\WindowsPowerShell\v1.0\powershell.exe`
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- **Hook script:** `D:/claudetools/.claude/scripts/check-messages.sh`
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- **Toast script:** `D:/claudetools/.claude/scripts/notify.ps1`
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- **Mode file:** `D:/claudetools/.claude/current-mode` (gitignored, machine-local)
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