fix: resolve unused parameter lint errors

- InvalidQueryException: use sql parameter to include preview in details
- AgentPromptTemplate.build: use few_shot_examples for previous queries

Both parameters now contribute to the output as intended.

Author: Sakeeb91

app/exceptions.py

@@ -250,6 +250,9 @@ def __init__(
         error_details = details or {}
         if validation_errors:
             error_details["validation_errors"] = validation_errors
+        if sql:
+            # Include SQL preview in details (truncated for security)
+            error_details["sql_preview"] = sql[:100] + "..." if len(sql) > 100 else sql
         super().__init__(
             message=message,
             error_code="INVALID_SQL_QUERY",

models/prompts.py

@@ -256,6 +256,13 @@ def build(
         parts.append(schema)
         parts.append("")
 
+        # Few-shot examples (if provided)
+        if few_shot_examples:
+            parts.append("Previous successful queries:")
+            for example in few_shot_examples:
+                parts.append(example.format())
+                parts.append("")
+
         # Additional context
         if context:
             parts.append(f"Context: {context}")