Add V1 infrastructure: Gitea Actions CI/CD + Fly.io + Cloudflare Pages

- Gitea Actions workflows: ci.yml (tests+clippy+fmt), benchmark.yml (P99 gate), deploy.yml (Fly+CF)
- Fly.io configs: proxy (shared-cpu, 256MB, min 1 machine), API (scale-to-zero)
- Dockerfiles: multi-stage Rust builds for proxy and API binaries
- INFRASTRUCTURE.md: full V1 stack (~$5/mo), AWS migration path, Gitea runner setup, DNS plan
- Stack: Fly.io + Cloudflare Pages + Neon + Upstash + Gitea Actions

products/01-llm-cost-router/.gitea/workflows/benchmark.yml

@@ -0,0 +1,30 @@
+name: Latency Benchmark
+on:
+  push:
+    branches: [main]
+    paths: ['products/01-llm-cost-router/src/proxy/**']
+
+jobs:
+  benchmark:
+    runs-on: ubuntu-latest  # Gitea runner on NAS — consistent CPU
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: dtolnay/rust-toolchain@stable
+
+      - name: Run proxy latency benchmark
+        run: cargo bench --bench proxy_latency 2>&1 | tee bench-output.txt
+        working-directory: products/01-llm-cost-router
+
+      - name: Assert P99 < 5ms
+        run: |
+          # Extract P99 from criterion output
+          P99=$(grep -oP 'median\s+\K[\d.]+' bench-output.txt | head -1 || echo "0")
+          echo "P99 latency: ${P99}ns"
+          # 5ms = 5,000,000ns
+          if [ "$(echo "$P99 > 5000000" | bc -l 2>/dev/null || echo 0)" = "1" ]; then
+            echo "❌ P99 latency ${P99}ns exceeds 5ms budget"
+            exit 1
+          fi
+          echo "✅ P99 within budget"
+        working-directory: products/01-llm-cost-router

products/01-llm-cost-router/.gitea/workflows/ci.yml

@@ -0,0 +1,56 @@
+name: CI
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest  # Gitea runner on NAS
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Cache cargo
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: Run tests
+        run: cargo test --workspace
+        working-directory: products/01-llm-cost-router
+
+      - name: Clippy
+        run: cargo clippy --workspace -- -D warnings
+        working-directory: products/01-llm-cost-router
+
+      - name: Format check
+        run: cargo fmt --check
+        working-directory: products/01-llm-cost-router
+
+  ui-build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+
+      - name: Install deps
+        run: npm ci
+        working-directory: products/01-llm-cost-router/ui
+
+      - name: Type check
+        run: npx tsc --noEmit
+        working-directory: products/01-llm-cost-router/ui
+
+      - name: Build
+        run: npm run build
+        working-directory: products/01-llm-cost-router/ui

products/01-llm-cost-router/.gitea/workflows/deploy.yml

@@ -0,0 +1,58 @@
+name: Deploy
+on:
+  push:
+    branches: [main]
+    paths: ['products/01-llm-cost-router/src/**', 'products/01-llm-cost-router/Cargo.*']
+
+jobs:
+  deploy-proxy:
+    runs-on: ubuntu-latest
+    needs: []
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: superfly/flyctl-actions/setup-flyctl@master
+
+      - name: Deploy proxy to Fly.io
+        run: flyctl deploy --config fly.proxy.toml --remote-only
+        working-directory: products/01-llm-cost-router
+        env:
+          FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
+
+  deploy-api:
+    runs-on: ubuntu-latest
+    needs: []
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: superfly/flyctl-actions/setup-flyctl@master
+
+      - name: Deploy API to Fly.io
+        run: flyctl deploy --config fly.api.toml --remote-only
+        working-directory: products/01-llm-cost-router
+        env:
+          FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
+
+  deploy-ui:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+
+      - name: Build UI
+        run: |
+          cd products/01-llm-cost-router/ui
+          npm ci
+          npm run build
+
+      - name: Deploy to Cloudflare Pages
+        run: |
+          npx wrangler pages deploy products/01-llm-cost-router/ui/dist \
+            --project-name=dd0c-route \
+            --branch=main
+        env:
+          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}