Fix runtime skill injection across adapters

packages/shared/src/types/adapter-skills.ts

@@ -12,6 +12,8 @@ export interface AgentSkillEntry {
   name: string;
   desired: boolean;
   managed: boolean;
+  required?: boolean;
+  requiredReason?: string | null;
   state: AgentSkillState;
   sourcePath?: string | null;
   targetPath?: string | null;

packages/shared/src/validators/adapter-skills.ts

@@ -19,6 +19,8 @@ export const agentSkillEntrySchema = z.object({
   name: z.string().min(1),
   desired: z.boolean(),
   managed: z.boolean(),
+  required: z.boolean().optional(),
+  requiredReason: z.string().nullable().optional(),
   state: agentSkillStateSchema,
   sourcePath: z.string().nullable().optional(),
   targetPath: z.string().nullable().optional(),