chore: remove automated coverage badge generation and documentation

.github/workflows/ci.yml

@@ -45,8 +45,6 @@ jobs:
     name: Test & Coverage
     runs-on: ubuntu-latest
     timeout-minutes: 15
-    permissions:
-      contents: write
 
     steps:
       - name: Checkout
@@ -76,47 +74,3 @@ jobs:
           name: coverage-report
           path: coverage/
           retention-days: 7
-
-      # Only update the badge on pushes to main (not on PRs)
-      - name: Generate coverage badge
-        if: github.ref == 'refs/heads/main' && github.event_name == 'push'
-        run: |
-          node -e "
-            const fs = require('fs');
-            const summary = JSON.parse(fs.readFileSync('coverage/coverage-summary.json', 'utf8'));
-            const pct = summary.total.lines.pct;
-            const color = pct >= 90 ? '#4c1' : pct >= 75 ? '#dfb317' : '#e05d44';
-            const label = 'coverage';
-            const value = pct + '%';
-            const svg = [
-              '<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"106\" height=\"20\">',
-              '<linearGradient id=\"s\" x2=\"0\" y2=\"100%\">',
-              '<stop offset=\"0\" stop-color=\"#bbb\" stop-opacity=\".1\"/>',
-              '<stop offset=\"1\" stop-opacity=\".1\"/>',
-              '</linearGradient>',
-              '<clipPath id=\"r\"><rect width=\"106\" height=\"20\" rx=\"3\" fill=\"#fff\"/></clipPath>',
-              '<g clip-path=\"url(#r)\">',
-              '<rect width=\"62\" height=\"20\" fill=\"#555\"/>',
-              '<rect x=\"62\" width=\"44\" height=\"20\" fill=\"' + color + '\"/>',
-              '<rect width=\"106\" height=\"20\" fill=\"url(#s)\"/>',
-              '</g>',
-              '<g fill=\"#fff\" text-anchor=\"middle\" font-family=\"DejaVu Sans,Verdana,Geneva,sans-serif\" font-size=\"11\">',
-              '<text x=\"31\" y=\"15\" fill=\"#010101\" fill-opacity=\".3\">' + label + '</text>',
-              '<text x=\"31\" y=\"14\">' + label + '</text>',
-              '<text x=\"83\" y=\"15\" fill=\"#010101\" fill-opacity=\".3\">' + value + '</text>',
-              '<text x=\"83\" y=\"14\">' + value + '</text>',
-              '</g>',
-              '</svg>'
-            ].join('');
-            fs.writeFileSync('coverage-badge.svg', svg);
-            console.log('Generated badge: ' + pct + '%');
-          "
-
-      - name: Commit coverage badge
-        if: github.ref == 'refs/heads/main' && github.event_name == 'push'
-        uses: stefanzweifel/git-auto-commit-action@v5
-        with:
-          commit_message: "chore: update coverage badge [skip ci]"
-          file_pattern: coverage-badge.svg
-          commit_user_name: github-actions[bot]
-          commit_user_email: github-actions[bot]@users.noreply.github.com

README.md

@@ -4,7 +4,6 @@ PlotlineAI is a group movie recommendation app. Each participant shares their ta
 
 [![Live Demo](https://img.shields.io/badge/demo-plotline--ai-blue)](https://plotline-ai.vercel.app/)
 [![CI](https://github.com/CodeHunt101/plotline-ai/actions/workflows/ci.yml/badge.svg)](https://github.com/CodeHunt101/plotline-ai/actions/workflows/ci.yml)
-![Coverage](./coverage-badge.svg)
 
 ## Table of Contents
 
@@ -350,19 +349,19 @@ Open **Settings → Secrets and variables → Actions** in your GitHub repo and
 
 **Repository secrets** (sensitive credentials):
 
-| Secret                 | Used by                  | Where to find it                                    |
-| ---------------------- | ------------------------ | --------------------------------------------------- |
-| `SUPABASE_DB_URL`      | `supabase-keepalive.yml` | Supabase dashboard → Connect → Transaction mode     |
-| `CLOUDFLARE_API_TOKEN` | `deploy.yml`             | Cloudflare dashboard → My Profile → API Tokens      |
-| `SUPABASE_API_KEY`     | `deploy.yml`             | Supabase dashboard → Project Settings → Data API    |
-| `WORKER_SHARED_SECRET` | `deploy.yml`             | Must match `SUPABASE_WORKER_SECRET` in `.env.local` |
+| Secret                 | Used by                  | Where to find it                                |
+| ---------------------- | ------------------------ | ----------------------------------------------- |
+| `SUPABASE_DB_URL`      | `supabase-keepalive.yml` | Supabase dashboard → Connect → Transaction mode |
+| `CLOUDFLARE_API_TOKEN` | `deploy.yml`             | Cloudflare dashboard → My Profile → API Tokens  |
 
 **Repository variables** (non-sensitive config):
 
-| Variable                | Used by      | Where to find it                                 |
-| ----------------------- | ------------ | ------------------------------------------------ |
-| `CLOUDFLARE_ACCOUNT_ID` | `deploy.yml` | Cloudflare dashboard → right-hand sidebar        |
-| `SUPABASE_URL`          | `deploy.yml` | Supabase dashboard → Project Settings → Data API |
+| Variable                | Used by      | Where to find it                          |
+| ----------------------- | ------------ | ----------------------------------------- |
+| `CLOUDFLARE_ACCOUNT_ID` | `deploy.yml` | Cloudflare dashboard → right-hand sidebar |
+
+> [!NOTE]
+> The Cloudflare Worker runtime secrets (`SUPABASE_URL`, `SUPABASE_API_KEY`, `WORKER_SHARED_SECRET`) are set directly in the **Cloudflare dashboard → Workers → supabase-worker → Settings → Variables and Secrets**. They are not managed through GitHub Actions.
 
 ## Project Structure