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Enable Claude-compatible tool hooks in the Rust runtime

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This threads typed hook settings through runtime config, adds a shell-based hook runner, and executes PreToolUse/PostToolUse around each tool call in the conversation loop. The CLI now rebuilds runtimes with settings-derived hook configuration so user-defined Claude hook commands actually run before and after tools.

Constraint: Hook behavior needed to match Claude-style settings.json hooks without broad plugin/MCP parity work in this change
Rejected: Delay hook loading to the tool executor layer | would miss denied tool calls and duplicate runtime policy plumbing
Confidence: medium
Scope-risk: moderate
Reversibility: clean
Directive: Keep hook execution in the runtime loop so permission decisions and tool results remain wrapped by the same conversation semantics
Tested: cargo test; cargo build --release
Not-tested: Real user hook scripts outside the test harness; broader plugin/skills parity
This commit is contained in:
Yeachan-Heo
2026-04-01 03:35:25 +00:00
parent a94ef61b01
commit ac6c5d00a8
5 changed files with 655 additions and 15 deletions
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6
rust/crates/runtime/src/lib.rs
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@@ -4,6 +4,7 @@ mod compact;
mod config;
mod conversation;
mod file_ops;
mod hooks;
mod json;
mod mcp;
mod mcp_client;
@@ -26,8 +27,8 @@ pub use config::{
ConfigEntry, ConfigError, ConfigLoader, ConfigSource, McpClaudeAiProxyServerConfig,
McpConfigCollection, McpOAuthConfig, McpRemoteServerConfig, McpSdkServerConfig,
McpServerConfig, McpStdioServerConfig, McpTransport, McpWebSocketServerConfig, OAuthConfig,
ResolvedPermissionMode, RuntimeConfig, RuntimeFeatureConfig, ScopedMcpServerConfig,
CLAUDE_CODE_SETTINGS_SCHEMA_NAME,
ResolvedPermissionMode, RuntimeConfig, RuntimeFeatureConfig, RuntimeHookConfig,
ScopedMcpServerConfig, CLAUDE_CODE_SETTINGS_SCHEMA_NAME,
};
pub use conversation::{
ApiClient, ApiRequest, AssistantEvent, ConversationRuntime, RuntimeError, StaticToolExecutor,
@@ -38,6 +39,7 @@ pub use file_ops::{
GrepSearchInput, GrepSearchOutput, ReadFileOutput, StructuredPatchHunk, TextFilePayload,
WriteFileOutput,
};
pub use hooks::{HookEvent, HookRunResult, HookRunner};
pub use mcp::{
mcp_server_signature, mcp_tool_name, mcp_tool_prefix, normalize_name_for_mcp,
scoped_mcp_config_hash, unwrap_ccr_proxy_url,