diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6a3b826674..d61070bd1b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,6 +37,16 @@ jobs:
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: 22
+      - name: Report base reachability
+        if: github.event_name == 'pull_request'
+        env:
+          BASE_SHA: ${{ github.event.pull_request.base.sha }}
+        run: |
+          git worktree add --detach "$RUNNER_TEMP/reachability-base" "$BASE_SHA"
+          (cd "$RUNNER_TEMP/reachability-base" && node scripts/check-test-reachability.mjs --report)
+          git worktree remove "$RUNNER_TEMP/reachability-base"
+      - name: Report head reachability
+        run: node scripts/check-test-reachability.mjs --report
       - run: node --test scripts/check-test-reachability.test.mjs
       - run: node scripts/check-test-reachability.mjs --base origin/main
 
@@ -97,6 +107,8 @@ jobs:
               - "bun.lock"
               - ".github/workflows/ci.yml"
             skills:
+              - "packages/cli/src/media-use/**"
+              - "scripts/check-media-use-copy-parity.test.mjs"
               - "skills/**"
               - ".claude/skills/**"
               - ".agents/skills/**"
diff --git a/scripts/test-reachability-baseline.json b/scripts/test-reachability-baseline.json
index 4436009d62..eb4d353d33 100644
--- a/scripts/test-reachability-baseline.json
+++ b/scripts/test-reachability-baseline.json
@@ -1,44 +1,6 @@
 {
-  "total": 83,
+  "total": 7,
   "files": {
-    "packages/cli/src/media-use/lib/adopt.test.mjs": 2,
-    "packages/cli/src/media-use/lib/bundled-sfx-provider.test.mjs": 2,
-    "packages/cli/src/media-use/lib/candidates.test.mjs": 2,
-    "packages/cli/src/media-use/lib/codex-provider.test.mjs": 2,
-    "packages/cli/src/media-use/lib/coverage.test.mjs": 2,
-    "packages/cli/src/media-use/lib/cube-build.test.mjs": 2,
-    "packages/cli/src/media-use/lib/cube-validate.test.mjs": 2,
-    "packages/cli/src/media-use/lib/cutlist.test.mjs": 2,
-    "packages/cli/src/media-use/lib/duck.test.mjs": 2,
-    "packages/cli/src/media-use/lib/error-diffusion.test.mjs": 2,
-    "packages/cli/src/media-use/lib/freeze.test.mjs": 2,
-    "packages/cli/src/media-use/lib/grade-analyzer.test.mjs": 2,
-    "packages/cli/src/media-use/lib/heygen-cli.test.mjs": 2,
-    "packages/cli/src/media-use/lib/heygen-search.test.mjs": 2,
-    "packages/cli/src/media-use/lib/heygen-video-provider.test.mjs": 2,
-    "packages/cli/src/media-use/lib/local-models.test.mjs": 2,
-    "packages/cli/src/media-use/lib/local-run.test.mjs": 2,
-    "packages/cli/src/media-use/lib/logo-provider.test.mjs": 2,
-    "packages/cli/src/media-use/lib/ltx-video-provider.test.mjs": 2,
-    "packages/cli/src/media-use/lib/lut-preset-provider.test.mjs": 2,
-    "packages/cli/src/media-use/lib/manifest.test.mjs": 2,
-    "packages/cli/src/media-use/lib/media-fetch.test.mjs": 2,
-    "packages/cli/src/media-use/lib/mflux-provider.test.mjs": 2,
-    "packages/cli/src/media-use/lib/misses.test.mjs": 2,
-    "packages/cli/src/media-use/lib/npx-sync.test.mjs": 2,
-    "packages/cli/src/media-use/lib/parakeet-words.test.mjs": 2,
-    "packages/cli/src/media-use/lib/prefs-store.test.mjs": 2,
-    "packages/cli/src/media-use/lib/probe.test.mjs": 2,
-    "packages/cli/src/media-use/lib/recipe-store.test.mjs": 2,
-    "packages/cli/src/media-use/lib/registry.test.mjs": 2,
-    "packages/cli/src/media-use/lib/search.test.mjs": 2,
-    "packages/cli/src/media-use/lib/specs.test.mjs": 2,
-    "packages/cli/src/media-use/lib/stats.test.mjs": 2,
-    "packages/cli/src/media-use/lib/telemetry.test.mjs": 2,
-    "packages/cli/src/media-use/lib/tts-local-provider.test.mjs": 2,
-    "packages/cli/src/media-use/lib/usage.test.mjs": 2,
-    "packages/cli/src/media-use/lib/voice-provider.test.mjs": 2,
-    "packages/cli/src/media-use/resolve.test.mjs": 2,
     "packages/producer/tests/distributed/_smoke/webm-concat-copy.test.ts": 1,
     "packages/producer/tests/playback-rate-av-parity/playback-rate-av-parity.test.ts": 1,
     "registry/components/pan-stations/pan-stations.test.mjs": 1,