fix(pr-code-quality-reviewer): prevent timeout by launching grumpy-coder early

[Copilot]

The agent exhausted its 15-minute budget doing 24 bash tool calls (mostly git diff commands that fail with exit 128 in shallow clones) before launching grumpy-coder at the very last step — then timed out waiting for it.

Changes

• Launch sub-agent in Step 1 — grumpy-coder is now started in the same parallel turn as the PR data fetch, so it runs concurrently with the main agent's own analysis rather than after it
• Non-blocking collection — replaces the old "wait for completion" contract with a single read attempt before Step 3 adjudication; continues without sub-agent output if not yet ready
• Require GitHub MCP tools for diff — explicitly requires get_diff/get_files instead of git diff bash commands, which are unreliable in shallow clones

Before:

Step 1: fetch PR data (many bash git-diff attempts, fallbacks)
Step 2: run grumpy-coder, wait for completion   ← started at t=14m, timeout at t=15m

After:

Step 1: fetch PR data (MCP get_diff/get_files) + start grumpy-coder in background
Step 2: independent analysis while grumpy-coder runs
Step 3: read grumpy-coder result (once, non-blocking), adjudicate

[Copilot]

Pull request overview

This PR updates the PR Code Quality Reviewer agentic workflow to reduce timeout risk by starting its grumpy-coder sub-agent earlier and by standardizing PR diff/file retrieval via GitHub MCP tools (avoiding unreliable git diff in shallow clones).

Changes:

• Updates the workflow review process to launch grumpy-coder earlier and treat its output as best-effort (non-blocking read).
• Tightens guidance to use GitHub MCP get_diff/get_files for PR data collection instead of bash git diff approaches.
• Regenerates lockfiles; however, the PR also includes an unrelated upstream-managed workflow lockfile change.

Show a summary per file

File	Description
.github/workflows/pr-code-quality-reviewer.md	Revises the review procedure to start grumpy-coder earlier and to rely on MCP diff/file fetching.
.github/workflows/pr-code-quality-reviewer.lock.yml	Regenerated lockfile metadata for the updated workflow markdown.
.github/workflows/daily-team-status.lock.yml	Lockfile changed despite being upstream-sourced; appears unrelated to the PR’s stated purpose.

Review details

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• Files reviewed: 3/3 changed files
• Comments generated: 2
• Review effort level: Low