fix(llm): resolve tool lint errors

apps/server/src/services/llm/tools/smart_retry_tool.ts

@@ -60,7 +60,7 @@ export class SmartRetryTool implements ToolHandler {
      */
     private generateBroaderTerms(query: string): string[] {
         const terms = query.toLowerCase().split(/\s+/);
-        const broader = [];
+        const broader: string[] = [];
 
         // Single words from multi-word queries
         if (terms.length > 1) {
@@ -103,7 +103,7 @@ export class SmartRetryTool implements ToolHandler {
             'report': ['summary', 'document', 'findings', 'results']
         };
 
-        const synonyms = [];
+        const synonyms: string[] = [];
         const queryLower = query.toLowerCase();
 
         for (const [word, syns] of Object.entries(synonymMap)) {
@@ -131,7 +131,7 @@ export class SmartRetryTool implements ToolHandler {
             'notes': ['meeting notes', 'research notes', 'project notes']
         };
 
-        const narrower = [];
+        const narrower: string[] = [];
         const queryLower = query.toLowerCase();
 
         for (const [broad, narrowTerms] of Object.entries(narrowerMap)) {
@@ -155,7 +155,7 @@ export class SmartRetryTool implements ToolHandler {
             'meeting': ['agenda', 'minutes', 'action items', 'participants']
         };
 
-        const related = [];
+        const related: string[] = [];
         const queryLower = query.toLowerCase();
 
         for (const [concept, relatedTerms] of Object.entries(relatedMap)) {
@@ -237,7 +237,14 @@ export class SmartRetryTool implements ToolHandler {
             }
 
             // Try each alternative
-            const results = [];
+            const results: Array<{
+                query: string;
+                success: boolean;
+                count?: number;
+                result?: any;
+                message?: string;
+                error?: string;
+            }> = [];
             let successfulSearches = 0;
             let totalResults = 0;
 

apps/server/src/services/llm/tools/tool_interfaces.ts

@@ -34,6 +34,12 @@ export interface ToolParameter {
     type: string;
     description: string;
     enum?: string[];
+    default?: any;
+    minimum?: number;
+    maximum?: number;
+    minItems?: number;
+    maxItems?: number;
+    properties?: Record<string, ToolParameter>;
     items?: ToolParameter | {
         type: string;
         properties?: Record<string, ToolParameter>;

apps/server/src/services/llm/tools/unified_search_tool.ts

@@ -37,7 +37,7 @@ export const unifiedSearchToolDefinition: Tool = {
                 },
                 filters: {
                     type: 'object',
-                    description: 'Optional filters',
+                    description: 'Optional filters for search',
                     properties: {
                         parentNoteId: {
                             type: 'string',