Added git diff check to CI. Updated AGENTS.md. Forced change in generated header to test CI diff check (it should fail).

Author: maciejdudko

.github/workflows/per-pr.yml

@@ -34,6 +34,8 @@ jobs:
       - run: cargo doc --workspace --all-features --no-deps
       - run: cargo lint
       - run: cargo test-lint
+      - run: cargo check
+      - run: git diff --exit-code
 
   test:
     name: Unit Tests

AGENTS.md

@@ -8,6 +8,7 @@ document as your quick reference when submitting pull requests.
 - `core/` – implementation of the core SDK
 - `client/` – clients for communicating with Temporal clusters
 - `core-api/` – API definitions exposed by core
+- `core-c-bridge/` – C interface for core
 - `sdk/` – pre-alpha Rust SDK built on top of core (used mainly for tests)
 - `sdk-core-protos/` – protobuf definitions shared across crates
 - `fsm/` – state machine implementation and macros

core-c-bridge/build.rs

@@ -8,7 +8,7 @@ fn main() {
     let changed = cbindgen::Builder::new()
         .with_cpp_compat(true)
         .with_crate(crate_dir)
-        .with_pragma_once(true)
+        .with_pragma_once(false)
         .with_language(cbindgen::Language::C)
         .with_item_prefix("TemporalCore")
         .generate()