fix: address code review feedback

- Fix incorrect API endpoint paths (removed /api prefix)
- Improve TypeScript strict typing with explicit metadata interfaces
- Update SKILL.md with clear trigger phrases and examples
- Fix README installation path reference
- Add clarification about API URL format (no /api suffix needed)
- Export new metadata type interfaces

packages/skills/gantt/gantt-client.ts

@@ -28,6 +28,10 @@ export type ProjectStatus = 'PLANNING' | 'ACTIVE' | 'ON_HOLD' | 'COMPLETED' | 'A
 export type TaskStatus = 'NOT_STARTED' | 'IN_PROGRESS' | 'PAUSED' | 'COMPLETED' | 'ARCHIVED';
 export type TaskPriority = 'LOW' | 'MEDIUM' | 'HIGH' | 'URGENT';
 
+export interface ProjectMetadata {
+  [key: string]: unknown;
+}
+
 export interface Project {
   id: string;
   workspaceId: string;
@@ -37,7 +41,7 @@ export interface Project {
   startDate: string | null;
   endDate: string | null;
   color: string | null;
-  metadata: Record<string, unknown>;
+  metadata: ProjectMetadata;
   createdAt: string;
   updatedAt: string;
   tasks?: Task[];
@@ -47,6 +51,12 @@ export interface Project {
   };
 }
 
+export interface TaskMetadata {
+  startDate?: string;
+  dependencies?: string[];
+  [key: string]: unknown;
+}
+
 export interface Task {
   id: string;
   workspaceId: string;
@@ -61,11 +71,7 @@ export interface Task {
   creatorId: string;
   parentId: string | null;
   sortOrder: number;
-  metadata: {
-    startDate?: string;
-    dependencies?: string[];
-    [key: string]: unknown;
-  };
+  metadata: TaskMetadata;
   createdAt: string;
   updatedAt: string;
   project?: {