fix: reduced token usage, removed parameters from schema that CLIs never seem to use

tools/codereview.py

@@ -53,7 +53,6 @@ CODEREVIEW_WORKFLOW_FIELD_DESCRIPTIONS = {
     "relevant_context": "Functions or methods central to findings (e.g. 'Class.method' or 'function_name').",
     "issues_found": "Issues with severity (critical/high/medium/low) and descriptions.",
     "review_validation_type": "Set 'external' (default) for expert follow-up or 'internal' for local-only review.",
-    "backtrack_from_step": "If revising earlier analysis, note the step number to revisit.",
     "images": "Optional diagram or screenshot paths that clarify review context.",
     "review_type": "Review focus: full, security, performance, or quick.",
     "focus_on": "Optional note on areas to emphasise (e.g. 'threading', 'auth flow').",
@@ -91,11 +90,6 @@ class CodeReviewRequest(WorkflowRequest):
         "external", description=CODEREVIEW_WORKFLOW_FIELD_DESCRIPTIONS.get("review_validation_type", "")
     )
 
-    # Optional backtracking field
-    backtrack_from_step: Optional[int] = Field(
-        None, description=CODEREVIEW_WORKFLOW_FIELD_DESCRIPTIONS["backtrack_from_step"]
-    )
-
     # Optional images for visual context
     images: Optional[list[str]] = Field(default=None, description=CODEREVIEW_WORKFLOW_FIELD_DESCRIPTIONS["images"])
 
@@ -206,11 +200,6 @@ class CodeReviewTool(WorkflowTool):
                 "default": "external",
                 "description": CODEREVIEW_WORKFLOW_FIELD_DESCRIPTIONS.get("review_validation_type", ""),
             },
-            "backtrack_from_step": {
-                "type": "integer",
-                "minimum": 1,
-                "description": CODEREVIEW_WORKFLOW_FIELD_DESCRIPTIONS["backtrack_from_step"],
-            },
             "issues_found": {
                 "type": "array",
                 "items": {"type": "object"},