chore: production-readiness improvements

- Fix release.yml Go version (1.25 → 1.26.1)
- Add CHANGELOG entries for v0.3.0 and v0.4.0
- Add coverage reporting to CI
- Remove compiled binary from repo
- Fix CONTRIBUTING.md Go version requirement (1.25 → 1.26)

Author: Patel230

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
 
       - uses: actions/setup-go@v5
         with:
-          go-version: '1.26'
+          go-version: '1.26.1'
           cache: true
 
       - name: Build
@@ -24,5 +24,10 @@ jobs:
       - name: Test
         run: CGO_ENABLED=0 go test -count=1 -timeout 120s ./...
 
+      - name: Coverage
+        run: |
+          go test -coverprofile=coverage.out ./...
+          go tool cover -func=coverage.out | tail -1
+
       - name: Vet
         run: CGO_ENABLED=0 go vet ./...

.github/workflows/release.yml

@@ -32,7 +32,7 @@ jobs:
 
       - uses: actions/setup-go@v5
         with:
-          go-version: '1.25'
+          go-version: '1.26.1'
           cache: true
 
       - name: Build

.gitignore

@@ -15,6 +15,7 @@
 
 # Build artifacts
 dist/
+coverage.out
 *.test
 
 # IDE

CHANGELOG.md

@@ -2,6 +2,37 @@
 
 All notable changes to Yaad are documented here.
 
+## [0.4.0] — 2026-05-08
+
+### Added
+- DAG branching with prefix-based memory lookup
+- LangGraph import/export for interoperability
+- MCP resources and prompts support
+- Backpressure logging for high-throughput ingestion
+- Query timeouts and configurable privacy levels
+- Response size limits for large recall results
+
+### Fixed
+- Compaction edge re-linking preserves graph structure
+- PII detection improvements (reduced false positives)
+- Intent scoring accuracy for ambiguous queries
+- Secret filter handles multi-line tokens
+
+---
+
+## [0.3.0] — 2026-05-01
+
+### Added
+- Tests for 8 previously untested packages
+- Tests for 6 MCP resource/prompt packages
+- Comprehensive integration test suite
+
+### Fixed
+- Backpressure handling under sustained write load
+- Query timeout enforcement in graph traversal
+
+---
+
 ## [0.1.0] — 2026-04-28
 
 ### Initial Release

CONTRIBUTING.md

@@ -11,7 +11,7 @@ make build    # verify it builds
 make test     # run tests
 ```
 
-**Requirements:** Go 1.25+. No CGO, no C compiler needed.
+**Requirements:** Go 1.26+. No CGO, no C compiler needed.
 
 ## What to Work On