docs(changelog): add entry for v0.1.9 release

Introduce changelog updates for v0.1.9, including new query command implementation, configuration additions, README updates, and TODO revisions.

CHANGELOG.md

@@ -1,3 +1,25 @@
+## [v0.1.9] - 2026-03-04
+
+Grokkit gets a quick-query upgrade—because who has time for chit-chat?
+
+### Added
+- Implement `query` command in cmd/query.go for non-interactive Grok queries focused on programming.
+- Add wordy flag for detailed responses in query command.
+- Add .grok/settings.json with fast model configuration.
+- Set default model for query in config.go.
+- Add entry for query command to commands list in README.
+- Create new section in README with query command usage examples and features.
+- Add spec for grokkit non-interactive query tool in TODO.
+- Add detailed description, examples, and ROI for `query` feature in TODO.
+- Introduce initial CHANGELOG.md with v0.1.8 entries.
+
+### Changed
+- Update root.go to include queryCmd.
+- Reorder and update queued task list in TODO with new entries like non-interactive-query.md.
+- Move changelog.md to completed tasks in TODO with version note.
+- Standardize link formats and list markers in README.md.
+- Rename TODO entry from "grokkit query Go tools integration" to "grokkit query Simple Query Tool".
+- Revise TODO description to focus on one-shot prompt/answer tool for concise queries.
 # Changelog
 
 All notable changes to this project will be documented in this file.