diff --git a/.github/labeler.yml b/.github/labeler.yml
new file mode 100644
index 00000000..eae3f875
--- /dev/null
+++ b/.github/labeler.yml
@@ -0,0 +1,38 @@
+firmware:
+  - changed-files:
+      - any-glob-to-any-file:
+          - src/**
+          - lib/**
+          - open-x4-sdk/**
+
+ui:
+  - changed-files:
+      - any-glob-to-any-file:
+          - src/activities/**
+          - src/network/html/**
+          - docs/images/**
+
+epub:
+  - changed-files:
+      - any-glob-to-any-file:
+          - lib/Epub/**
+
+network:
+  - changed-files:
+      - any-glob-to-any-file:
+          - src/network/**
+          - src/util/UrlUtils.*
+          - lib/OpdsParser/**
+
+docs:
+  - changed-files:
+      - any-glob-to-any-file:
+          - docs/**
+          - README*
+          - CHANGELOG*
+
+tests:
+  - changed-files:
+      - any-glob-to-any-file:
+          - test/**
+          - scripts/**
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 286f14aa..5a8cb085 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,24 +1,25 @@
-name: CI
-'on':
+name: CI (build)
+
+on:
   push:
     branches: [master]
   pull_request:
 
+permissions:
+  contents: read
+
 jobs:
-  build:
+  clang-format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
 
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v5
         with:
           python-version: '3.14'
 
-      - name: Install PlatformIO Core
-        run: pip install --upgrade platformio
-
       - name: Install clang-format-21
         run: |
           wget https://apt.llvm.org/llvm.sh
@@ -27,11 +28,77 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y clang-format-21
 
+      - name: Run clang-format
+        run: |
+          PATH="/usr/lib/llvm-21/bin:$PATH" ./bin/clang-format-fix
+          git diff --exit-code || (echo "Please run 'bin/clang-format-fix' to fix formatting issues" && exit 1)
+
+  cppcheck:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.14'
+
+      - name: Install PlatformIO Core
+        run: pip install --upgrade platformio
+
       - name: Run cppcheck
         run: pio check --fail-on-defect low --fail-on-defect medium --fail-on-defect high
 
-      - name: Run clang-format
-        run: PATH="/usr/lib/llvm-21/bin:$PATH" ./bin/clang-format-fix && git diff --exit-code || (echo "Please run 'bin/clang-format-fix' to fix formatting issues" && exit 1)
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.14'
+
+      - name: Install PlatformIO Core
+        run: pip install --upgrade platformio
 
       - name: Build CrossPoint
-        run: pio run
+        run: |
+          set -euo pipefail
+          pio run | tee pio.log
+
+      - name: Capture short SHA
+        id: short_sha
+        run: echo "short=${GITHUB_SHA::7}" >> "$GITHUB_OUTPUT"
+
+      - name: Extract firmware stats
+        id: fw_stats
+        run: |
+          set -euo pipefail
+          ram_line="$(grep -E "RAM:\\s" -m1 pio.log || true)"
+          flash_line="$(grep -E "Flash:\\s" -m1 pio.log || true)"
+          echo "ram_line=${ram_line}" >> "$GITHUB_OUTPUT"
+          echo "flash_line=${flash_line}" >> "$GITHUB_OUTPUT"
+          {
+            echo "## Firmware build stats"
+            if [ -n "$ram_line" ]; then echo "- ${ram_line}"; else echo "- RAM: not found"; fi
+            if [ -n "$flash_line" ]; then echo "- ${flash_line}"; else echo "- Flash: not found"; fi
+          } >> "$GITHUB_STEP_SUMMARY"
+
+      # Upload both the binary and the stats/log so Stage 2 can read them without checkout.
+      - name: Upload firmware.bin artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: firmware-bin
+          path: .pio/build/default/firmware.bin
+          if-no-files-found: error
+
+      - name: Upload build metadata artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: build-meta
+          path: |
+            pio.log
+          if-no-files-found: error
\ No newline at end of file
diff --git a/.github/workflows/pr-formatting-check.yml b/.github/workflows/pr-formatting-check.yml
index 044b7b64..7808fd71 100644
--- a/.github/workflows/pr-formatting-check.yml
+++ b/.github/workflows/pr-formatting-check.yml
@@ -9,6 +9,7 @@ on:
 
 permissions:
   statuses: write
+  pull-requests: write
 
 jobs:
   title-check:
@@ -21,6 +22,44 @@ jobs:
           egress-policy: audit
 
       - name: Check PR Title
+        id: title_check
         uses: amannn/action-semantic-pull-request@v6
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Comment with changelog hint on failure
+        if: failure()
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const marker = '<!-- pr-title-check -->';
+            const error =
+              `${{ steps.title_check.outputs.error_message || steps.title_check.outputs.error || '' }}`.trim();
+            const details = error ? `\n\n**Error:** ${error}` : '\n\n**Error:** See workflow logs.';
+            const body = `${marker}
+**PR title check failed**
+
+Please use a Conventional Commit-style prefix (e.g., \`feat:\`, \`fix:\`, \`docs:\`, \`chore:\`).
+If this change should appear in release notes, ensure the title reflects the correct category.${details}`;
+
+            const { data: comments } = await github.rest.issues.listComments({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.issue.number,
+            });
+            const existing = comments.find((comment) => comment.body && comment.body.includes(marker));
+            if (existing) {
+              await github.rest.issues.updateComment({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                comment_id: existing.id,
+                body,
+              });
+            } else {
+              await github.rest.issues.createComment({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: context.issue.number,
+                body,
+              });
+            }
diff --git a/.github/workflows/pr-writer.yml b/.github/workflows/pr-writer.yml
new file mode 100644
index 00000000..fec4f42b
--- /dev/null
+++ b/.github/workflows/pr-writer.yml
@@ -0,0 +1,145 @@
+comment_firmware:
+  runs-on: ubuntu-latest
+  steps:
+    - name: Find the matching CI run for this PR SHA
+      id: find_run
+      uses: actions/github-script@v8
+      with:
+        script: |
+          const owner = context.repo.owner;
+          const repo = context.repo.repo;
+          const pr = context.payload.pull_request;
+          const headSha = pr.head.sha;
+
+          const { data } = await github.rest.actions.listWorkflowRunsForRepo({
+            owner,
+            repo,
+            event: "pull_request",
+            per_page: 50,
+          });
+
+          const run = data.workflow_runs.find(r => r.head_sha === headSha && r.name === "CI (build)");
+          if (!run) core.setFailed(`No matching CI (build) run found for head_sha=${headSha}.`);
+
+          core.setOutput("run_id", String(run.id));
+          core.setOutput("run_html_url", run.html_url);
+
+    - name: Locate artifact IDs in the CI run
+      id: artifacts
+      uses: actions/github-script@v8
+      with:
+        script: |
+          const owner = context.repo.owner;
+          const repo = context.repo.repo;
+          const runId = Number("${{ steps.find_run.outputs.run_id }}");
+
+          const { data } = await github.rest.actions.listWorkflowRunArtifacts({
+            owner,
+            repo,
+            run_id: runId,
+            per_page: 100,
+          });
+
+          const artifacts = data.artifacts || [];
+          const fw = artifacts.find(a => a.name === "firmware-bin");
+          const meta = artifacts.find(a => a.name === "build-meta");
+
+          if (!meta) core.setFailed("build-meta artifact not found in CI run artifacts.");
+          // firmware-bin is nice-to-have for linking; fail if you want.
+          core.setOutput("fw_id", fw ? String(fw.id) : "");
+          core.setOutput("meta_id", String(meta.id));
+
+    - name: Download build-meta artifact zip and extract pio.log
+      id: parse_log
+      shell: bash
+      env:
+        OWNER: ${{ github.repository_owner }}
+        REPO: ${{ github.event.repository.name }}
+        META_ID: ${{ steps.artifacts.outputs.meta_id }}
+        GH_TOKEN: ${{ github.token }}
+      run: |
+        set -euo pipefail
+
+        # Download artifact zip via GitHub API (will redirect to blob storage; -L follows)
+        api="https://api.github.com/repos/${OWNER}/${REPO}/actions/artifacts/${META_ID}/zip"
+        curl -sSL \
+          -H "Authorization: Bearer ${GH_TOKEN}" \
+          -H "X-GitHub-Api-Version: 2022-11-28" \
+          -o build-meta.zip \
+          "${api}"
+
+        mkdir -p build-meta
+        unzip -q build-meta.zip -d build-meta
+
+        if [[ ! -f build-meta/pio.log ]]; then
+          echo "pio.log not found inside build-meta artifact"
+          echo "ram_line=" >> "$GITHUB_OUTPUT"
+          echo "flash_line=" >> "$GITHUB_OUTPUT"
+          exit 0
+        fi
+
+        ram_line="$(grep -E "RAM:\s" -m1 build-meta/pio.log || true)"
+        flash_line="$(grep -E "Flash:\s" -m1 build-meta/pio.log || true)"
+
+        echo "ram_line=${ram_line}" >> "$GITHUB_OUTPUT"
+        echo "flash_line=${flash_line}" >> "$GITHUB_OUTPUT"
+
+    - name: Post/update PR comment with RAM/Flash + artifact links
+      uses: actions/github-script@v8
+      with:
+        script: |
+          const owner = context.repo.owner;
+          const repo = context.repo.repo;
+          const prNumber = context.payload.pull_request.number;
+
+          const runId = Number("${{ steps.find_run.outputs.run_id }}");
+          const runUrl = "${{ steps.find_run.outputs.run_html_url }}";
+
+          const marker = '<!-- firmware-stats -->';
+          const ram = `${{ steps.parse_log.outputs.ram_line }}`.trim();
+          const flash = `${{ steps.parse_log.outputs.flash_line }}`.trim();
+
+          const fwId = `${{ steps.artifacts.outputs.fw_id }}`.trim();
+          const metaId = `${{ steps.artifacts.outputs.meta_id }}`.trim();
+
+          const fwUrl = fwId ? `https://github.com/${owner}/${repo}/actions/runs/${runId}/artifacts/${fwId}` : null;
+          const metaUrl = metaId ? `https://github.com/${owner}/${repo}/actions/runs/${runId}/artifacts/${metaId}` : null;
+
+          const body =
+`${marker}
+**Firmware build stats**
+
+\`\`\`
+${ram || "RAM: not found"}
+${flash || "Flash: not found"}
+\`\`\`
+
+**Artifacts**
+- CI run: ${runUrl}
+- Firmware binary: ${fwUrl ? `[firmware-bin](${fwUrl})` : "artifact not found"}
+- Build logs: ${metaUrl ? `[build-meta](${metaUrl})` : "artifact not found"}
+`;
+
+          const { data: comments } = await github.rest.issues.listComments({
+            owner,
+            repo,
+            issue_number: prNumber,
+            per_page: 100,
+          });
+
+          const existing = comments.find(c => (c.body || "").includes(marker));
+          if (existing) {
+            await github.rest.issues.updateComment({
+              owner,
+              repo,
+              comment_id: existing.id,
+              body,
+            });
+          } else {
+            await github.rest.issues.createComment({
+              owner,
+              repo,
+              issue_number: prNumber,
+              body,
+            });
+          }
\ No newline at end of file