Function addHookToSession

src/utils/hooks/sessionHooks.ts:167–216

* Internal helper to add a hook to session state

(
  setAppState: (updater: (prev: AppState) => AppState) => void,
  sessionId: string,
  event: HookEvent,
  matcher: string,
  hook: HookCommand | FunctionHook,
  onHookSuccess?: OnHookSuccess,
  skillRoot?: string,
)

 * Internal helper to add a hook to session state
 */
function addHookToSession(
  setAppState: (updater: (prev: AppState) => AppState) => void,
  sessionId: string,
  event: HookEvent,
  matcher: string,
  hook: HookCommand | FunctionHook,
  onHookSuccess?: OnHookSuccess,
  skillRoot?: string,
): void {
  setAppState(prev => {
    const store = prev.sessionHooks.get(sessionId) ?? { hooks: {} }
    const eventMatchers = store.hooks[event] || []

    // Find existing matcher or create new one
    const existingMatcherIndex = eventMatchers.findIndex(
      m => m.matcher === matcher && m.skillRoot === skillRoot,
    )

    let updatedMatchers: SessionHookMatcher[]
    if (existingMatcherIndex >= 0) {
      // Add to existing matcher
      updatedMatchers = [...eventMatchers]
      const existingMatcher = updatedMatchers[existingMatcherIndex]!
      updatedMatchers[existingMatcherIndex] = {
        matcher: existingMatcher.matcher,
        skillRoot: existingMatcher.skillRoot,
        hooks: [...existingMatcher.hooks, { hook, onHookSuccess }],
      }
    } else {
      // Create new matcher
      updatedMatchers = [
        ...eventMatchers,
        {
          matcher,
          skillRoot,
          hooks: [{ hook, onHookSuccess }],
        },
      ]
    }

    const newHooks = { ...store.hooks, [event]: updatedMatchers }

    prev.sessionHooks.set(sessionId, { hooks: newHooks })
    return prev
  })

  logForDebugging(
    `Added session hook for event ${event} in session ${sessionId}`,
  )
}

/**
 * Remove a specific hook from the session