fix: avoid virtual AGENTS symlinks in worktrees

[chubes4]

Summary

• Avoid symlinking Studio's PHP-WASM /wordpress/AGENTS.md path into host worktrees.
• Write an inline generated AGENTS.md projection for virtual site paths while preserving host-visible symlink behavior.
• Extend the context injection smoke test to cover inline virtual projections and cleanup.

Verification

• php tests/smoke-worktree-context-injection.php
• php -l inc/Workspace/WorktreeContextInjector.php
• git diff --check

AI assistance

• AI assistance: Yes
• Tool(s): OpenCode (GPT-5.5)
• Used for: Diagnosed the Studio worktree-add crash, implemented the context projection fix, and added smoke coverage; Chris remains responsible for review and merge.

[homeboy-ci]

Homeboy Results — data-machine-code

Lint

✅ lint — passed

ℹ️ Full options: homeboy docs commands/lint
ℹ️ Save lint baseline: homeboy lint data-machine-code --baseline
Deep dive: homeboy lint data-machine-code --changed-since b10ba6f

Artifacts and drill-down

• CI results artifact: homeboy-ci-results-data-machine-code-lint-quality-Linux-node24 contains immediate command JSON for this action invocation.
• Observation artifact: homeboy-observations-data-machine-code-lint-quality-Linux-node24 contains exported Homeboy run history for deeper queries.
• Drill-down: download the observation artifact, then run homeboy runs import <dir>, homeboy runs list, and homeboy runs findings <run-id>.
• Artifacts are attached to the workflow run: https://github.com/Extra-Chill/data-machine-code/actions/runs/26255544965

Test

✅ test — passed

ℹ️ Auto-fix lint issues: homeboy refactor data-machine-code --from lint --write
ℹ️ Collect coverage: homeboy test data-machine-code --coverage
ℹ️ Pass args to test runner: homeboy test -- [args]
ℹ️ Full options: homeboy docs commands/test
Deep dive: homeboy test data-machine-code --changed-since b10ba6f

Artifacts and drill-down

• CI results artifact: homeboy-ci-results-data-machine-code-test-quality-Linux-node24 contains immediate command JSON for this action invocation.
• Observation artifact: homeboy-observations-data-machine-code-test-quality-Linux-node24 contains exported Homeboy run history for deeper queries.
• Drill-down: download the observation artifact, then run homeboy runs import <dir>, homeboy runs list, and homeboy runs findings <run-id>.
• Artifacts are attached to the workflow run: https://github.com/Extra-Chill/data-machine-code/actions/runs/26255544965

Audit

✅ audit — passed

• intra-method-duplication — 1 finding(s)
• structural — 1 finding(s)
• test_coverage — 1 finding(s)
• Total: 3 finding(s)

Deep dive: homeboy audit data-machine-code --changed-since b10ba6f

Artifacts and drill-down

• CI results artifact: homeboy-ci-results-data-machine-code-audit-quality-Linux-node24 contains immediate command JSON for this action invocation.
• Observation artifact: homeboy-observations-data-machine-code-audit-quality-Linux-node24 contains exported Homeboy run history for deeper queries.
• Drill-down: download the observation artifact, then run homeboy runs import <dir>, homeboy runs list, and homeboy runs findings <run-id>.
• Artifacts are attached to the workflow run: https://github.com/Extra-Chill/data-machine-code/actions/runs/26255544965

Tooling versions

• Homeboy CLI: homeboy 0.197.1+40ad671
• Extension: wordpress from https://github.com/Extra-Chill/homeboy-extensions
• Extension revision: 89c85243
• Action: unknown@unknown