feat(github-code-review): parallel workers, prompt override, feedback footer

Add concurrent review processing and two smaller review-worker features to
scripts/github-code-review.php:

- --parallel N / -p N: fork N workers that drain the shared queue at once.
  Each worker gets its OWN checkout root ({CHECKOUT_ROOT}/wN) and Redis
  checkout-cache namespace (wN:) so two workers reviewing the same repo:branch
  can never share a working tree or clobber each other's cache. Every log and
  stream line is tagged with the worker + queue entry it belongs to
  (e.g. "[w0 owner/repo#42 a1b2c3d4]"). Workers run in their own process
  groups; the parent forwards SIGINT/SIGTERM and reaps them. Single-worker
  output is byte-identical (empty prefix).

- --prompt STR / --prompt-file FILE: replace the built-in review prompt with an
  inline string or a file's contents; audit-type scope still layers on top.
  --prompt wins if both are given.

- Every posted comment (per-issue, --combine, --split-changes) now ends with a
  thumbs up/down feedback blurb via reviewFeedbackFooter().

Also harden the commit-hash baseline: setupCommitRangeBaseline() now verifies
`git rev-parse HEAD` actually equals the requested SHA before the review runs,
so a job can never silently review the wrong tree.

Note: GitHub does not deliver reaction (thumbs) events via webhook, so
web/github.php is unchanged; tracking reactions requires polling the reactions
API on posted comment IDs.

Adds tests/phpunit/unit/CodeReviewWorker/ParallelAndPromptTest.php.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: detain

CLAUDE.md

@@ -19,7 +19,7 @@ php scripts/github-code-review.php
 - **Core**: `src/GithubWebhook.php` · `src/GithubMessageBuilder.php` · `src/NotificationQueue.php` · `src/CodeReviewQueue.php` · `src/IgnoredEventException.php` · `src/NotImplementedException.php`
 - **Config**: `.env` (copied from `.env.dist`) — defines `GITHUB_WEBHOOKS_SECRET`, `NOTIF_QUEUE_ENABLED`, `NOTIF_QUEUE_KEY_PREFIX`, `REDIS_HOST`, `REDIS_PORT`, `LOG_LEVEL`, `RATE_LIMIT_WINDOW`, plus code-review queue keys. RocketChat / Teams webhook URLs live in `src/config.php` (gitignored) under `$chatChannels['rocketchat']` / `$chatChannels['teams']`
 - **Logs**: `log/Y/m/d/` — JSON files named `His_eventtype_action_user_repo.json` (verbosity controlled by `LOG_LEVEL`)
-- **Code review**: `src/CodeReviewQueue.php` enqueues push events for async review by `scripts/github-code-review.php`
+- **Code review**: `src/CodeReviewQueue.php` enqueues push events for async review by `scripts/github-code-review.php`; `scripts/github-code-review-list.php` lists queued review jobs
 - **Field analysis**: `scripts/analyze_fields.php`, `scripts/filter_webhook.php`, `scripts/filter_webhook_batch.php` produce reports under `field_analysis_full/` (per-group JSON, `frequency_matrix.json`, `FIELD_CATEGORIZATION.md`)
 - **Tests**: `tests/` via `phpunit.xml` · fixtures in `tests/events/{event_name}/`
 - **Quality**: `phpstan.neon` · `phpstan-bootstrap.php` · `.php-cs-fixer.dist.php` (PSR2 + PHP74Migration)
@@ -50,22 +50,26 @@ php -d phar.readonly=0 build/github-review.phar --version
 - **Entry point**: `bin/github-review`
 - **Application**: `src/Cli/Application.php`
 - **Commands**: `src/Cli/Command/`
+  - `AbstractCommand.php` — Base command
   - `ListCommand.php` — List queued review jobs
   - `MetricsCommand.php` — Show queue statistics
   - `SubmitCommand.php` — Submit PR for review
   - `StatusCommand.php` — Check review status
   - `CancelCommand.php` — Cancel queued jobs
   - `ConfigCommand.php` — Manage configuration
+  - `ActivityCommand.php` — GitHub activity view
 - **Services**: `src/Cli/Service/`
   - `CodeAnalyzer.php` — OpenCode integration
   - `CheckoutManager.php` — Git checkout management
   - `DiffGenerator.php` — Diff generation
   - `ReviewPoster.php` — GitHub API posting
+  - `GithubActivityService.php` — GitHub activity fetching
 - **Config**: `src/Cli/Config/ConfigLoader.php`
+- **Exceptions**: `src/Cli/Exception/` — `ReviewCliException.php`, `ExceptionCodes.php`
 - **Renderers**: `src/Cli/Renderer/`
   - `JsonRenderer.php` — JSON output
   - `TableRenderer.php` — Table output
-- **Interactor**: `src/Cli/Interactor/InteractiveInteractor.php`
+- **Interactor**: `src/Cli/Interactor/` — `InteractiveInteractor.php`, `ActivityInteractor.php`, `InteractiveTui.php`, `TuiPane.php`, `TuiState.php`
 
 ### CLI Tests
 
@@ -154,4 +158,4 @@ Pin your choice (`/model` in Claude Code, or `CALIBER_MODEL` when using Caliber
 
 This project uses [Caliber](https://github.com/caliber-ai-org/ai-setup) to keep AI agent configs in sync across Claude Code, Cursor, Copilot, and Codex.
 Configs update automatically before each commit via `caliber refresh`.
-If the pre-commit hook is not set up, run `/setup-caliber` to configure everything automatically.
+If the pre-commit hook is not set up, run `/setup-caliber` to configure everything automatically.