Sprint 0-2: TS plugin scaffolding, LanceDB utils, tooling updates

- Add index-tool.ts command implementation
- Wire lancedb.ts vector search into plugin
- Update src/tools/index.ts exports
- Bump package deps (ts-jest, jest, typescript, lancedb)
- Add .claude/settings.local.json

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/tools/index.ts

@@ -1,12 +1,118 @@
 /** Tool registration — wires all 4 obsidian_rag_* tools into OpenClaw. */
 
+import type { AgentToolResult } from "@mariozechner/pi-agent-core";
+import type { OpenClawPluginApi } from "openclaw/plugin-sdk/plugin-entry";
 import type { ObsidianRagConfig } from "../utils/config.js";
 import type { HealthState } from "../services/health.js";
+import { Type } from "@sinclair/typebox";
+import { searchTool, type SearchParams } from "./search.js";
+import { runIndexTool, type IndexParams } from "./index-tool.js";
+import { statusTool } from "./status.js";
+import { memoryStoreTool, type MemoryStoreParams } from "./memory.js";
 
-export async function registerTools(
-  _config: ObsidianRagConfig,
-  _health: { get: () => { state: HealthState } },
-): Promise<void> {
-  // TODO: Wire into OpenClaw tool registry once SDK is available
-  console.log("[obsidian-rag] Tools registered (stub — OpenClaw SDK TBD)");
+function textEnvelope<T>(text: string, details: T): AgentToolResult<T> {
+  return { content: [{ type: "text", text }], details };
+}
+
+export function registerTools(
+  api: OpenClawPluginApi,
+  config: ObsidianRagConfig,
+  health: { get: () => { state: HealthState }; setActiveJob: (job: { id: string; mode: string; progress: number } | null) => void },
+): void {
+  // obsidian_rag_search — primary semantic search
+  api.registerTool({
+    name: "obsidian_rag_search",
+    description:
+      "Primary semantic search tool. Given a natural language query, searches the Obsidian vault index and returns the most relevant note chunks ranked by semantic similarity. Supports filtering by directory, date range, and tags.",
+    label: "Search Obsidian Vault",
+    parameters: Type.Object({
+      query: Type.String({ description: "Natural language question or topic to search for" }),
+      max_results: Type.Optional(
+        Type.Number({ minimum: 1, maximum: 50, description: "Maximum number of chunks to return" }),
+      ),
+      directory_filter: Type.Optional(
+        Type.Array(Type.String(), {
+          description: "Limit search to specific vault subdirectories (e.g. ['Journal', 'Finance'])",
+        }),
+      ),
+      date_range: Type.Optional(
+        Type.Object({
+          from: Type.Optional(Type.String({ description: "Start date (YYYY-MM-DD)" })),
+          to: Type.Optional(Type.String({ description: "End date (YYYY-MM-DD)" })),
+        }),
+      ),
+      tags: Type.Optional(
+        Type.Array(Type.String(), {
+          description: "Filter by hashtags found in notes (e.g. ['#mentalhealth', '#therapy'])",
+        }),
+      ),
+    }),
+    async execute(_id, params) {
+      const searchParams: SearchParams = {
+        query: String(params.query),
+        max_results: params.max_results != null ? Number(params.max_results) : undefined,
+        directory_filter: params.directory_filter as string[] | undefined,
+        date_range: params.date_range as { from?: string; to?: string } | undefined,
+        tags: params.tags as string[] | undefined,
+      };
+      const result = await searchTool(config, searchParams);
+      return textEnvelope(JSON.stringify(result), result);
+    },
+  });
+
+  // obsidian_rag_index — trigger indexing
+  api.registerTool({
+    name: "obsidian_rag_index",
+    description:
+      "Trigger indexing of the Obsidian vault. Use 'full' for first-time setup, 'sync' for incremental updates, 'reindex' to force a clean rebuild.",
+    label: "Index Obsidian Vault",
+    parameters: Type.Object({
+      mode: Type.Union(
+        [Type.Literal("full"), Type.Literal("sync"), Type.Literal("reindex")],
+        { description: "Indexing mode" },
+      ),
+    }),
+    async execute(_id, params) {
+      const indexParams: IndexParams = { mode: String(params.mode) as "full" | "sync" | "reindex" };
+      const result = await runIndexTool(config, health, indexParams);
+      return textEnvelope(JSON.stringify(result), result);
+    },
+  });
+
+  // obsidian_rag_status — health check
+  api.registerTool({
+    name: "obsidian_rag_status",
+    description:
+      "Check the health of the Obsidian RAG plugin — index statistics, last sync time, unindexed files, and Ollama status. Call this first when unsure if the index is ready.",
+    label: "Obsidian RAG Status",
+    parameters: Type.Object({}),
+    async execute(_id) {
+      const result = await statusTool(config);
+      return textEnvelope(JSON.stringify(result), result);
+    },
+  });
+
+  // obsidian_rag_memory_store — commit facts to memory
+  api.registerTool({
+    name: "obsidian_rag_memory_store",
+    description:
+      "Commit an important fact from search results to OpenClaw's memory for faster future retrieval. Use after finding significant information (e.g. 'I owe Sreenivas $50') that should be remembered.",
+    label: "Store in Memory",
+    parameters: Type.Object({
+      key: Type.String({ description: "Identifier for the fact (e.g. 'debt_to_sreenivas')" }),
+      value: Type.String({ description: "The fact to remember" }),
+      source: Type.String({
+        description: "Source file path in the vault (e.g. 'Journal/2025-03-15.md')",
+      }),
+    }),
+    async execute(_id, params) {
+      const memParams: MemoryStoreParams = {
+        key: String(params.key),
+        value: String(params.value),
+        source: String(params.source),
+      };
+      const result = await memoryStoreTool(memParams);
+      return textEnvelope(JSON.stringify(result), result);
+    },
+  });
 }