Add tree-sitter-json on tui

CHANGELOG.md

@@ -11,6 +11,11 @@
 ### Removed
 
 - `llm()` from the analysis sandbox. Sandbox externals are now `search` and `list_documents` only.
+- `list_documents` top-level tool from the analysis skill (still available as `await list_documents()` inside `execute_code`).
+
+### Fixed
+
+- Chat TUI's state-edit screen now syntax-highlights JSON instead of falling back to plain text. Adds `tree-sitter` + `tree-sitter-json` to the `[tui]` extra.
 
 ### Changed
 

haiku_rag_slim/pyproject.toml

@@ -54,7 +54,12 @@ zeroentropy = ["zeroentropy>=0.1.0a11"]
 jina = ["transformers>=4.40.0", "torch>=2.0.0"]
 cross-encoder = ["sentence-transformers>=3.0.0"]
 # TUI (chat and inspect commands)
-tui = ["textual>=8.2.4", "textual-image>=0.8.5"]
+tui = [
+    "textual>=8.2.4",
+    "textual-image>=0.8.5",
+    "tree-sitter>=0.25.2",
+    "tree-sitter-json>=0.24.8",
+]
 # Model providers (delegated to pydantic-ai-slim)
 anthropic = ["pydantic-ai-slim[anthropic]"]
 groq = ["pydantic-ai-slim[groq]"]