v0.3.3

Changes

• Added direct import for ChatGPT OAuth access tokens from the account manager.
• Treat access-token-only accounts as non-refreshable, disabling them on expiration or authorization failure so a fresh token can be re-imported.
• Re-import access tokens by stable ChatGPT identity and preserve an existing OAuth refresh token for the same identity.
• Require imported tokens to include ChatGPT user and account/workspace identifiers for Codex routing.
• Improved recovery for stale Codex token refreshes.
• Updated README usage docs for the access-token flow and release behavior.