feat(mcp): support push notifications

.github/workflows/ci.yml

@@ -25,6 +25,7 @@ jobs:
       - uses: Swatinem/rust-cache@v2
         with:
           key: check-${{ matrix.os }}
+          cache-bin: false
       - name: Install Tauri system deps (Linux)
         if: runner.os == 'Linux'
         run: |
@@ -50,6 +51,7 @@ jobs:
       - uses: Swatinem/rust-cache@v2
         with:
           key: test-${{ matrix.os }}
+          cache-bin: false
       - name: Install Tauri system deps (Linux)
         if: runner.os == 'Linux'
         run: |
@@ -72,6 +74,8 @@ jobs:
         with:
           components: clippy
       - uses: Swatinem/rust-cache@v2
+        with:
+          cache-bin: false
       - name: Install Tauri system deps
         run: |
           sudo apt-get update
@@ -102,6 +106,8 @@ jobs:
       - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@v2
+        with:
+          cache-bin: false
       - name: Install cargo-audit
         run: cargo install cargo-audit --locked
       - run: cargo audit

Cargo.toml

@@ -141,7 +141,7 @@ socket2 = "0.5"
 zip = { version = "4", default-features = false, features = ["deflate"] }
 
 # Email (SMTP + IMAP)
-lettre = { version = "0.11", default-features = false, features = ["builder", "hostname", "smtp-transport", "tokio1", "tokio1-rustls-tls"] }
+lettre = { version = "0.11.22", default-features = false, features = ["builder", "hostname", "smtp-transport", "tokio1", "tokio1-rustls-tls"] }
 imap = "2"
 native-tls = { version = "0.2", features = ["vendored"] }
 mailparse = "0.16"

crates/openfang-extensions/src/registry.rs

@@ -206,6 +206,9 @@ impl IntegrationRegistry {
                     timeout_secs: 30,
                     env,
                     headers: Vec::new(),
+                    allow_push_events: false,
+                    push_queue_size: 256,
+                    push_rate_limit_per_minute: 600,
                 })
             })
             .collect()