fix filterbench deps and exit code defaults in docs

.claude/docs/cli.md

@@ -33,8 +33,8 @@
 ## Exit Codes
 
 - 0 — success (lines selected)
-- 0 — cancel with `--on-cancel success`
-- 1 — cancel (default)
+- 0 — cancel (default, `--on-cancel success`)
+- 1 — cancel with `--on-cancel error`
 - Custom — from `--exec` command exit status
 
 ## Input

.claude/docs/dependencies.md

@@ -45,7 +45,7 @@ internal/buffer → line
 ### Application
 - `peco` (root) → all above
 - `cmd/peco` → peco, internal/util
-- `cmd/filterbench` → filter
+- `cmd/filterbench` → peco (root), filter, line, pipeline
 
 ## External Dependencies
 - `github.com/gdamore/tcell/v2` — terminal UI (screen.go)