Initial commit: AirCoding V1.0.0 Alpha architecture baseline

Complete architecture document set with multi-model review remediation:
- Frozen interface contracts, runtime semantics, DB schemas
- Event/tool/error/provider registries
- Scheduler and main agent state machines
- C4 module/code views, solution architecture, baseline V1
- Multi-model review reports and joint assessment
- Phase-gate remediation complete (P0/P1/P2/UX resolved)
- Implementation plan with T-000A through T-045
- Reference folders kept as placeholders only

reference/asciinema-3.2.0/.github/workflows/ci.yml

@@ -0,0 +1,45 @@
+name: CI
+
+on:
+  push:
+    branches: ["develop"]
+  pull_request:
+    branches: ["develop"]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        rust: [default, msrv]
+
+    steps:
+      - uses: actions/checkout@v5
+
+      - name: Install Nix
+        uses: nixbuild/nix-quick-install-action@v34
+
+      - name: Setup Nix cache
+        uses: nix-community/cache-nix-action@v6
+        with:
+          primary-key: nix-${{ runner.os }}-${{ matrix.rust }}-${{ hashFiles('**/*.nix', '**/flake.lock') }}
+          restore-prefixes-first-match: nix-${{ runner.os }}-${{ matrix.rust }}-
+
+      - name: Build
+        run: nix develop .#${{ matrix.rust }} --command cargo build --verbose
+
+      - name: Run cargo tests
+        run: nix develop .#${{ matrix.rust }} --command cargo test --verbose
+
+      - name: Run integration tests
+        run: nix develop .#${{ matrix.rust }} --command tests/integration.sh
+
+      - name: Check formatting
+        run: nix develop .#${{ matrix.rust }} --command cargo fmt --check
+
+      - name: Lint with clippy
+        run: nix develop .#${{ matrix.rust }} --command cargo clippy

reference/asciinema-3.2.0/.github/workflows/release.yml

@@ -0,0 +1,90 @@
+name: Release
+
+permissions:
+  contents: write
+
+on:
+  push:
+    tags:
+      - v[0-9]+.*
+
+jobs:
+  create-release:
+    name: Create GH release draft
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v5
+
+      - name: Create the release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: gh release create ${{ github.ref_name }} --draft --verify-tag --title ${{ github.ref_name }}
+
+  upload-binary:
+    needs: create-release
+    name: ${{ matrix.target }}
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+            use-cross: false
+
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-musl
+            use-cross: false
+
+          - os: ubuntu-latest
+            target: aarch64-unknown-linux-gnu
+            use-cross: true
+
+          - os: macos-latest
+            target: x86_64-apple-darwin
+            use-cross: false
+
+          - os: macos-latest
+            target: aarch64-apple-darwin
+            use-cross: false
+
+    env:
+      CARGO: cargo
+
+    steps:
+      - uses: actions/checkout@v5
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.target }}
+
+      - name: Install cross
+        if: matrix.use-cross
+        uses: taiki-e/install-action@v2
+        with:
+          tool: cross
+
+      - name: Overwrite build command env variable
+        if: matrix.use-cross
+        shell: bash
+        run: echo "CARGO=cross" >> $GITHUB_ENV
+
+      - name: Install build deps
+        shell: bash
+        run: |
+          if [[ ${{ matrix.target }} == x86_64-unknown-linux-musl ]]; then
+              sudo apt-get update
+              sudo apt-get install -y musl-tools
+          fi
+
+      - name: Build release binary
+        run: ${{ env.CARGO }} build --release --locked --target ${{ matrix.target }}
+
+      - name: Upload the binary to the release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          mv target/${{ matrix.target }}/release/asciinema target/release/asciinema-${{ matrix.target }}
+          gh release upload ${{ github.ref_name }} target/release/asciinema-${{ matrix.target }}