phase 0: project bootstrap

P0-01 Go module + cmd/server + cmd/agent skeletons + internal/ tree
P0-02 LICENSE (PolyForm NC 1.0.0), README, CONTRIBUTING
P0-03 golangci-lint, pre-commit, .editorconfig, .gitignore
P0-04 Gitea Actions CI: test (race+coverage), lint, cross-platform build matrix
P0-05 Dockerfile.server (multi-stage, distroless/static), docker-compose.yml
P0-06 Makefile with build/test/lint/fmt/run/release targets

build, vet, test, and cross-compile to linux/{amd64,arm64} + windows/amd64
all verified locally.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,27 @@
+# Build output
+/bin/
+/dist/
+
+# Local data / runtime state
+/data/
+/certs/
+*.db
+*.db-journal
+*.db-wal
+*.db-shm
+
+# Editor / OS
+.DS_Store
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# Coverage
+coverage.out
+coverage.html
+
+# Local environment overrides
+.env
+.env.local
+*.local