feat: add CI workflow and fix safety.toml URLs (#6)

* feat: add CI workflow and fix safety.toml URLs

Add GitHub Actions CI with three jobs matching Temper's check contexts:
- test: cargo test --workspace
- lint: cargo fmt --check + cargo clippy
- ci: cargo build --release (depends on test+lint)

Fix safety.toml placeholder URLs:
- example/loom -> pulseengine/loom
- example/synth -> pulseengine/synth
- example/meld -> pulseengine/meld

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: use derive(Default) for ConflictPolicy to satisfy clippy

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: replace useless vec! with array literal in test

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Ralf Anton Beier <ralf_beier@me.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: 3 people

.github/workflows/ci.yml

@@ -0,0 +1,42 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo test --workspace
+
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt, clippy
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo fmt --check
+      - run: cargo clippy --workspace --tests -- -D warnings
+
+  ci:
+    name: ci
+    needs: [test, lint]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo build --release

configs/safety.toml

@@ -6,7 +6,7 @@ name = "loom"
 ti = "Ti2"      # Optimizer can introduce semantic errors
 td = "Td2"      # Z3 verification + downstream synth checking = medium detection
 is_oss = true
-repository_url = "https://github.com/example/loom"
+repository_url = "https://github.com/pulseengine/loom"
 license = "Apache-2.0"
 
 [tools.classification]
@@ -28,7 +28,7 @@ name = "synth"
 ti = "Ti2"      # Code generator produces final binary
 td = "Td3"      # Last in chain, limited downstream detection
 is_oss = false
-repository_url = "https://github.com/example/synth"
+repository_url = "https://github.com/pulseengine/synth"
 license = "Proprietary"
 
 [tools.classification]
@@ -49,7 +49,7 @@ name = "meld"
 ti = "Ti2"      # Fuser transforms component structure
 td = "Td2"      # loom verification downstream = medium detection
 is_oss = true
-repository_url = "https://github.com/example/meld"
+repository_url = "https://github.com/pulseengine/meld"
 license = "Apache-2.0"
 
 [tools.classification]

crates/thrum-core/src/coordination.rs

@@ -48,20 +48,15 @@ impl SharedMemoryEntry {
 // ---------------------------------------------------------------------------
 
 /// Policy for resolving file conflicts between concurrent agents.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Debug, Clone, Copy, Default, PartialEq, Eq, Serialize, Deserialize)]
 pub enum ConflictPolicy {
     /// Emit an event but let both agents continue (optimistic).
+    #[default]
     WarnAndContinue,
     /// Serialize the later agent's work (acquire a lock, wait for first to finish).
     Serialize,
 }
 
-impl Default for ConflictPolicy {
-    fn default() -> Self {
-        Self::WarnAndContinue
-    }
-}
-
 /// A detected file conflict between two concurrent agents.
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct FileConflict {

crates/thrum-db/tests/memory_lifecycle.rs

@@ -121,7 +121,7 @@ fn prompt_context_injection_format() {
     );
 
     // Format as the pipeline would for injection
-    let memories = vec![error, pattern];
+    let memories = [error, pattern];
     let ctx: Vec<String> = memories.iter().map(|m| m.to_prompt_context()).collect();
     let injected = format!(
         "\n\n## Relevant context from previous sessions\n{}",