feat: mutation hooks system#28
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Introduces a MutationHook trait and HookRegistry that enables callbacks after node/edge mutations (create, update, delete). Hooks are called synchronously in the write path and provide the foundation for SSE event streaming and future WASM plugins. - New hooks module in cortex-core with MutationHook trait - HookRegistry dispatches to all registered hooks in order - Cortex (library mode) calls hooks after store() and create_edge() - gRPC service calls hooks after all 5 write operations - Server initializes shared HookRegistry passed to gRPC service Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
MutationHooktrait andHookRegistryin cortex-core for node/edge write callbacksCortex) and server mode (gRPC service)Changes
crates/cortex-core/src/hooks/mod.rs(NEW) — trait, registry, 5 unit testscrates/cortex-core/src/api.rs— hooks field on Cortex, called afterstore()andcreate_edge()crates/cortex-core/src/lib.rs— module + re-exportscrates/cortex-server/src/grpc/service.rs— hooks called after all 5 write operationscrates/cortex-server/src/serve.rs— HookRegistry initializationTest plan
cargo test --workspacepasses (all 327 tests)cargo clippy --workspaceclean🤖 Generated with Claude Code