chore: bump codex version

chore: bump codex version

chore: bump codex version and support gpt-5.2

fix lint

Upgrade dependencies and add web search ToolCall

optimize the logging implementation

chore: bump codex version

chore: optimize fs bridge module dep import

refactor: merge similar mod code and simplify the code arch

v0.1.6

Refactor: modularize agent into submodules (commands, events, modes, session, client_ops, utils)
Library: add lib.rs and export agent/fs; main consumes library APIs
Events: introduce EventHandler and ReasoningAggregator; enrich exec raw_input with command & command_string
Modes: centralize presets and helpers; unify is_read_only via modes
Tests: add unit tests for modes and reasoning
Docs: rewrite AGENTS.md and update README
Fixes: include_str! path after module move