fix(pai-statusline): Linux/WSL compatibility and UX improvements

[fayerman-source]

Summary

Fixes several issues preventing the pai-statusline pack from working correctly on Linux/WSL systems.

Before / After

Before (Broken)	After (Fixed)

Bug Fixes

1. Cross-platform stat command

The script used macOS-only stat -f %m syntax. Linux requires stat -c %Y.

Fix: OS detection at 3 locations:

if [[ "$OSTYPE" == "darwin"* ]]; then
    stat -f %m "$FILE"
else
    stat -c %Y "$FILE"
fi

2. jq not documented as dependency

The README stated dependencies: [] but the script uses jq 20+ times for JSON parsing. Without jq, all values silently fail to defaults.

Fix: Updated README to document jq as required dependency.

3. PWD has no fallback

When JSON input lacks directory info, PWD displays empty.

Fix: current_dir="${current_dir:-$PWD}"

UX Improvements

4. Icon spacing in MEMORY line

Before: 📁0 Work │ ✦2 Ratings
After: 📁 0 Work │ ✦ 2 Ratings

5. "No data" indicator changed from — to -.-

Why: When bugs occurred (missing jq, failing stat), the display showed — - identical to "no data available". This made debugging impossible since errors looked like missing data.

-.- is:

• Visually consistent with decimal format (X.X)
• Clearly intentional, not an error fallback
• Self-documenting as "placeholder for number"

Test Environment

• OS: Ubuntu (WSL2)
• Kernel: 6.6.87.2-microsoft-standard-WSL2
• Claude Code: 2.1.11

Test Plan

• Verified location displays correctly (Queens, New York)
• Verified PAI version displays (v2.3)
• Verified PWD displays directory name
• Verified weather displays
• Verified context percentage and sparklines work
• Verified MEMORY line spacing
• Verified -.- shows for periods with no rating data

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🤖 Generated with Claude Code

[fayerman-source]

CI Failure Analysis

The claude-review check is failing due to a GitHub Actions OIDC limitation for fork PRs, not a code issue.

Error

Could not fetch an OIDC token. Did you remember to add `id-token: write` to your workflow permissions?
Error: Unable to get ACTIONS_ID_TOKEN_REQUEST_URL env variable

Root Cause

The claude-code-action@v1 uses OIDC authentication to obtain tokens. GitHub blocks OIDC token requests from forked repositories as a security measure to prevent secrets exposure to untrusted code.

Check	Status
id-token: write permission	✅ Present in workflow
PR from fork	✅ Yes (fayerman-source)
OIDC available for forks	❌ Blocked by GitHub

This affects all fork-based PRs to this repo - the workflow has never had a successful run.

Merge Request

The code changes in this PR have been tested and verified working on Linux/WSL:

• ✅ Cross-platform stat command (macOS/Linux)
• ✅ jq dependency documented
• ✅ PWD fallback working
• ✅ Icon spacing improvements
• ✅ -.- placeholder for debugging

Screenshots in PR description show before/after verification.

Suggested Workflow Fixes

Option A: Use github_token for fork PRs

- name: Run Claude Code Review
  uses: anthropics/claude-code-action@v1
  with:
    # For fork PRs, use github_token instead of OIDC
    github_token: ${{ secrets.GITHUB_TOKEN }}
    claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}

Option B: Skip CI for fork PRs

jobs:
  claude-review:
    # Only run for PRs from the same repo
    if: github.event.pull_request.head.repo.full_name == github.repository

Option C: Manual workflow approval
Use GitHub's "Approve and run" for first-time contributors from the Actions tab.

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Analysis performed via Claude Code