diff --git a/.changeset/fn-9007-pi-0-84-1.md b/.changeset/fn-9007-pi-0-84-1.md
new file mode 100644
index 0000000000..d0dd5c1a02
--- /dev/null
+++ b/.changeset/fn-9007-pi-0-84-1.md
@@ -0,0 +1,7 @@
+---
+"@runfusion/fusion": patch
+---
+
+summary: Upgrade the bundled Pi runtime to 0.84.1 for updated provider and model support.
+category: internal
+dev: Advance the exact Pi closure from 0.82.1 to 0.84.1 and guard pi-client, pi-protocol, and pi-telemetry.
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 02e3d7a19b..b29d3a67fe 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -67,8 +67,8 @@
   "dependencies": {
     "@agentclientprotocol/sdk": "0.24.0",
     "agent-browser": "0.26.0",
-    "@earendil-works/pi-ai": "0.82.1",
-    "@earendil-works/pi-coding-agent": "0.82.1",
+    "@earendil-works/pi-ai": "0.84.1",
+    "@earendil-works/pi-coding-agent": "0.84.1",
     "claude-code-cli-acp": "0.1.1",
     "dockerode": "^4.0.12",
     "electron": "^33.4.11",
diff --git a/packages/cli/src/__tests__/package-config.test.ts b/packages/cli/src/__tests__/package-config.test.ts
index 2153fd3a9c..760417dece 100644
--- a/packages/cli/src/__tests__/package-config.test.ts
+++ b/packages/cli/src/__tests__/package-config.test.ts
@@ -55,12 +55,12 @@ function assertRuntimeDepsAreNotOptionalPeers(pkg: any, label: string): void {
     ).not.toBe(true);
   }
 
-  // FNXC:DesktopPackaging 2026-07-26-22:55: Exact matched Pi runtime pin — keep in sync with
-  // pnpm-workspace.yaml overrides and check-pi-versions-pinned.mjs (currently 0.82.1).
+  // FNXC:DesktopPackaging 2026-08-12-20:46: Exact matched Pi runtime pin — keep in sync with
+  // pnpm-workspace.yaml overrides and check-pi-versions-pinned.mjs (currently 0.84.1).
   for (const dependencyName of ["@earendil-works/pi-coding-agent", "@earendil-works/pi-ai"]) {
     expect(dependencies, `${label}: ${dependencyName} must remain a required runtime dependency`).toHaveProperty(
       dependencyName,
-      "0.82.1",
+      "0.84.1",
     );
     expect(dependencies[dependencyName], `${label}: ${dependencyName} must be a clean exact semver`).toMatch(
       EXACT_SEMVER,
diff --git a/packages/cli/vitest.config.ts b/packages/cli/vitest.config.ts
index a42eedf4f1..3e293ffc60 100644
--- a/packages/cli/vitest.config.ts
+++ b/packages/cli/vitest.config.ts
@@ -130,7 +130,7 @@ export default defineConfig({
     alias: [
       /*
       FNXC:CliTests 2026-08-11-04:50:
-      pnpm resolves pi-coding-agent 0.82.1 into peer-hashed instances because dashboard pins zod
+      pnpm resolves pi-coding-agent 0.84.1 into peer-hashed instances because dashboard pins zod
       ^3.25.76 while CLI/engine use zod 4.x and different ws versions. vi.mock is resolved-path
       scoped, so unify its exact package root here or CLI mocks silently miss dashboard/engine and
       run the real pi runtime plus vendored pi-claude-cli. Keep this anchored root alias after any
diff --git a/packages/core/package.json b/packages/core/package.json
index 51bb5b85bb..1421f4f761 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -67,7 +67,7 @@
     "test:unit-gate": "vitest run src/__tests__/task-merge.test.ts src/__tests__/legacy-adoption.test.ts src/__tests__/no-hardcoded-lifecycle-columns.test.ts src/__tests__/sync-workflow-ir-callsite-allowlist.test.ts --silent=passed-only --reporter=dot"
   },
   "devDependencies": {
-    "@earendil-works/pi-coding-agent": "0.82.1",
+    "@earendil-works/pi-coding-agent": "0.84.1",
     "@types/dockerode": "^3.3.41",
     "@types/node": "^25.5.0",
     "@vitest/coverage-v8": "^4.1.10",
diff --git a/packages/dashboard/package.json b/packages/dashboard/package.json
index 0ed9780c27..966f652fde 100644
--- a/packages/dashboard/package.json
+++ b/packages/dashboard/package.json
@@ -108,7 +108,7 @@
     "@codemirror/state": "^6.7.1",
     "@codemirror/theme-one-dark": "^6.1.2",
     "@codemirror/view": "^6.36.4",
-    "@earendil-works/pi-coding-agent": "0.82.1",
+    "@earendil-works/pi-coding-agent": "0.84.1",
     "@fusion-plugin-examples/claude-runtime": "workspace:*",
     "@fusion-plugin-examples/cli-printing-press": "workspace:*",
     "@fusion-plugin-examples/compound-engineering": "workspace:*",
@@ -161,7 +161,7 @@
     "sherpa-onnx-node": "1.13.4"
   },
   "devDependencies": {
-    "@earendil-works/pi-ai": "0.82.1",
+    "@earendil-works/pi-ai": "0.84.1",
     "@testing-library/jest-dom": "^6.9.1",
     "@testing-library/react": "^16.3.2",
     "@testing-library/user-event": "^14.5.0",
diff --git a/packages/dashboard/src/routes.ts b/packages/dashboard/src/routes.ts
index 554c6aa37b..bd50846c8f 100644
--- a/packages/dashboard/src/routes.ts
+++ b/packages/dashboard/src/routes.ts
@@ -121,8 +121,12 @@ export interface ModelRegistryLike {
    * FNXC:ModelCatalog 2026-07-16-17:55:
    * pi 0.80.8 refreshes asynchronously, so the models endpoint must wait for it
    * before reading getAvailable() and surface any refresh failure to the caller.
+   *
+   * FNXC:ModelCatalog 2026-08-12-20:46:
+   * Pi 0.84.1 returns refresh metadata instead of void. Preserve it as unknown because
+   * the route needs only completion while structural compatibility must track the SDK.
    */
-  refresh(): Promise<void>;
+  refresh(): Promise<unknown>;
   /** Optional runtime passthrough lets request refreshes use the engine abort-aware path. */
   modelRuntime?: {
     refresh: (options?: { allowNetwork?: boolean; signal?: AbortSignal; force?: boolean }) => Promise<unknown>;
diff --git a/packages/engine/package.json b/packages/engine/package.json
index 181c590cbb..6b3fd7f353 100644
--- a/packages/engine/package.json
+++ b/packages/engine/package.json
@@ -38,8 +38,8 @@
     "test:watch": "vitest src/__tests__/executor-*.test.ts --watch"
   },
   "dependencies": {
-    "@earendil-works/pi-ai": "0.82.1",
-    "@earendil-works/pi-coding-agent": "0.82.1",
+    "@earendil-works/pi-ai": "0.84.1",
+    "@earendil-works/pi-coding-agent": "0.84.1",
     "@fusion/core": "workspace:*",
     "@fusion/pi-claude-cli": "workspace:*",
     "@modelcontextprotocol/sdk": "^1.0.0",
diff --git a/packages/engine/src/__tests__/pi.test.ts b/packages/engine/src/__tests__/pi.test.ts
index 21c4f39e4e..9b4801ec33 100644
--- a/packages/engine/src/__tests__/pi.test.ts
+++ b/packages/engine/src/__tests__/pi.test.ts
@@ -892,9 +892,12 @@ describe("session failure diagnostics", () => {
 
   it("forwards materialized MCP servers into session creation and prompt options for supported providers", async () => {
     const createAgentSessionMock = vi.mocked(createAgentSession);
+    // FNXC:SessionIdentity 2026-08-12-20:46: createFnAgent wraps session.prompt to bind the
+    // request principal, so retain the original spy when asserting the prompt reaches Pi.
+    const prompt = vi.fn();
     const session = {
       model: { provider: "test", id: "primary-model" },
-      prompt: vi.fn(),
+      prompt,
       subscribe: vi.fn(),
       dispose: vi.fn(),
       sessionFile: undefined,
@@ -916,14 +919,15 @@ describe("session failure diagnostics", () => {
     await (created.session as any).promptWithFallback("Use docs");
 
     expect(createAgentSessionMock.mock.calls[0]?.[0]).not.toHaveProperty("mcpServers");
-    expect(session.prompt).toHaveBeenCalledWith("Use docs", expect.objectContaining({ mcpServers }));
+    expect(prompt).toHaveBeenCalledWith("Use docs", expect.objectContaining({ mcpServers }));
   });
 
   it("skips MCP forwarding for unsupported mock provider and emits a content-free skip log", async () => {
     const createAgentSessionMock = vi.mocked(createAgentSession);
+    const prompt = vi.fn();
     const session = {
       model: { provider: "test", id: "primary-model" },
-      prompt: vi.fn(),
+      prompt,
       subscribe: vi.fn(),
       dispose: vi.fn(),
       sessionFile: undefined,
@@ -944,7 +948,7 @@ describe("session failure diagnostics", () => {
       await (created.session as any).promptWithFallback("Use docs");
 
       expect(createAgentSessionMock.mock.calls[0]?.[0]).not.toHaveProperty("mcpServers");
-      expect(session.prompt).toHaveBeenCalledWith("Use docs");
+      expect(prompt).toHaveBeenCalledWith("Use docs");
       const skipLog = consoleErrorSpy.mock.calls.find(([message]) => String(message).includes("mcp.forwarding.skipped"));
       expect(skipLog?.[0]).toContain('"skippedCount":1');
       expect(skipLog?.[0]).toContain('"provider":"mock"');
@@ -1169,10 +1173,13 @@ describe("piLog structured diagnostics", () => {
   it("throws a bounded fallback exhaustion error when prompt-time fallback also fails", async () => {
     const createAgentSessionMock = vi.mocked(createAgentSession);
     const onFallbackModelUsed = vi.fn();
+    const primaryPrompt = vi.fn().mockRejectedValue(new Error("429 Too Many Requests"));
+    const fallbackPrompt = vi.fn().mockRejectedValue(new Error("401 invalid api key for fallback"));
+    const primaryRetryPrompt = vi.fn().mockRejectedValue(new Error("429 Too Many Requests"));
 
     const primarySession = {
       model: { provider: "openai", id: "gpt-4o" },
-      prompt: vi.fn().mockRejectedValue(new Error("429 Too Many Requests")),
+      prompt: primaryPrompt,
       subscribe: vi.fn(),
       dispose: vi.fn(),
       setThinkingLevel: vi.fn(),
@@ -1181,7 +1188,7 @@ describe("piLog structured diagnostics", () => {
 
     const fallbackSession = {
       model: { provider: "anthropic", id: "claude-3-5-haiku-20241022" },
-      prompt: vi.fn().mockRejectedValue(new Error("401 invalid api key for fallback")),
+      prompt: fallbackPrompt,
       state: { errorMessage: "", messages: [] },
       subscribe: vi.fn(),
       dispose: vi.fn(),
@@ -1192,7 +1199,7 @@ describe("piLog structured diagnostics", () => {
     createAgentSessionMock.mockReset();
     const primaryRetrySession = {
       model: { provider: "openai", id: "gpt-4o" },
-      prompt: vi.fn().mockRejectedValue(new Error("429 Too Many Requests")),
+      prompt: primaryRetryPrompt,
       subscribe: vi.fn(), dispose: vi.fn(), setThinkingLevel: vi.fn(), sessionFile: undefined,
     } as unknown as AgentSession;
     createAgentSessionMock
@@ -1220,9 +1227,9 @@ describe("piLog structured diagnostics", () => {
     });
 
     expect(createAgentSessionMock).toHaveBeenCalledTimes(3);
-    expect(primarySession.prompt).toHaveBeenCalledTimes(1);
-    expect(fallbackSession.prompt).toHaveBeenCalledTimes(1);
-    expect(primaryRetrySession.prompt).toHaveBeenCalledTimes(1);
+    expect(primaryPrompt).toHaveBeenCalledTimes(1);
+    expect(fallbackPrompt).toHaveBeenCalledTimes(1);
+    expect(primaryRetryPrompt).toHaveBeenCalledTimes(1);
     expect((createAgentSessionMock.mock.calls[2]?.[0] as any).model.id).toBe("gpt-4o");
     expect(onFallbackModelUsed).toHaveBeenCalledTimes(1);
     expect(onFallbackModelUsed).toHaveBeenCalledWith(expect.objectContaining({
@@ -1272,6 +1279,7 @@ describe("piLog structured diagnostics", () => {
     const createAgentSessionMock = vi.mocked(createAgentSession);
     const onFallbackModelUsed = vi.fn();
     const primaryState = { errorMessage: "", messages: [] };
+    const fallbackPrompt = vi.fn().mockResolvedValue(undefined);
     const modelAuthTierError =
       "Codex error: 400 invalid_request_error — \"The 'gpt-5.3-codex' model is not supported when using Codex with a ChatGPT account.\"";
 
@@ -1289,7 +1297,7 @@ describe("piLog structured diagnostics", () => {
 
     const fallbackSession = {
       model: { provider: "test", id: "fallback-model" },
-      prompt: vi.fn().mockResolvedValue(undefined),
+      prompt: fallbackPrompt,
       state: { errorMessage: "", messages: [] },
       subscribe: vi.fn(),
       dispose: vi.fn(),
@@ -1315,7 +1323,7 @@ describe("piLog structured diagnostics", () => {
 
     await (session as any).promptWithFallback("prompt text");
 
-    expect(fallbackSession.prompt).toHaveBeenCalledWith("prompt text");
+    expect(fallbackPrompt).toHaveBeenCalledWith("prompt text");
     expect(createAgentSessionMock).toHaveBeenCalledTimes(2);
     expect(onFallbackModelUsed).toHaveBeenCalledWith(
       expect.objectContaining({
@@ -1330,6 +1338,10 @@ describe("piLog structured diagnostics", () => {
     const onFallbackModelUsed = vi.fn();
     const sonnet5NotFoundError =
       'Error: 404 {"type":"error","error":{"type":"not_found_error","message":"Not found"},"request_id":"req_011CcawcZ3Ra9CennJXM8oWC"}';
+    const sonnetPrompt = vi.fn(async () => {
+      throw new Error(sonnet5NotFoundError);
+    });
+    const fallbackPrompt = vi.fn(async (_prompt: string, _options?: unknown) => undefined);
 
     createAgentSessionMock.mockReset();
     createAgentSessionMock.mockImplementation(async (options: any) => {
@@ -1337,9 +1349,7 @@ describe("piLog structured diagnostics", () => {
         return {
           session: {
             model: { provider: "anthropic", id: "claude-sonnet-5" },
-            prompt: vi.fn(async () => {
-              throw new Error(sonnet5NotFoundError);
-            }),
+            prompt: sonnetPrompt,
             state: { errorMessage: "", messages: [] },
             subscribe: vi.fn(),
             dispose: vi.fn(),
@@ -1351,7 +1361,7 @@ describe("piLog structured diagnostics", () => {
       return {
         session: {
           model: { provider: "zai", id: "glm-5.1" },
-          prompt: vi.fn(async (_prompt: string, _options?: unknown) => undefined),
+          prompt: fallbackPrompt,
           state: { errorMessage: "", messages: [{ role: "assistant", content: "Fallback reply" }] },
           subscribe: vi.fn(),
           dispose: vi.fn(),
@@ -1374,9 +1384,8 @@ describe("piLog structured diagnostics", () => {
 
     await expect((session as any).promptWithFallback("prompt text", { temperature: 0 })).resolves.toBeUndefined();
 
-    const fallbackPrompt = vi.mocked((session as any).prompt).mock;
     expect(createAgentSessionMock).toHaveBeenCalledTimes(2);
-    expect(fallbackPrompt.calls).toEqual([["prompt text", { temperature: 0 }]]);
+    expect(fallbackPrompt).toHaveBeenCalledWith("prompt text", { temperature: 0 });
     expect((session as any).state.errorMessage ?? "").toBe("");
     expect(onFallbackModelUsed).toHaveBeenCalledWith(expect.objectContaining({
       triggerPoint: "prompt-time",
diff --git a/packages/engine/src/__tests__/provider-registration.test.ts b/packages/engine/src/__tests__/provider-registration.test.ts
index a5788ac112..dc81a0a313 100644
--- a/packages/engine/src/__tests__/provider-registration.test.ts
+++ b/packages/engine/src/__tests__/provider-registration.test.ts
@@ -123,8 +123,8 @@ describe("seedDashboardProviders", () => {
   });
 
   it("keeps native Kimi K3 available through the installed pi model registry", async () => {
-    // FNXC:ModelCatalog 2026-07-24-12:00: FN-8564 keeps catalog coverage on Pi
-    // 0.82.0's real built-in registry, not a hand-written Kimi fixture.
+    // FNXC:ModelCatalog 2026-08-12-20:46: FN-9007 keeps catalog coverage on Pi
+    // 0.84.1's real built-in registry, not a hand-written Kimi fixture.
     const modelRegistry = await createInMemoryModelRegistry();
     await modelRegistry.refresh();
 
diff --git a/packages/engine/src/auth/auth-storage.ts b/packages/engine/src/auth/auth-storage.ts
index 8af39b9cc7..9f0b6dfe62 100644
--- a/packages/engine/src/auth/auth-storage.ts
+++ b/packages/engine/src/auth/auth-storage.ts
@@ -364,19 +364,15 @@ FNXC:ProviderAuth 2026-07-07-00:00:
 FN-7646: the cross-process ~/.fusion/agent/auth.json coordination invariant (concurrent
 writers merge per-provider instead of clobbering each other's credentials) depends on the
 vendored @earendil-works/pi-coding-agent AuthStorage backend using proper-lockfile locking
-plus a per-provider read-modify-merge (FileAuthStorageBackend.persistProviderChange /
-refreshOAuthTokenWithLock re-read the file under a lock and spread
-{...currentData, [provider]: credential} rather than flushing a whole-file in-memory
-snapshot). packages/engine/package.json already pins this at
-"@earendil-works/pi-coding-agent": "0.82.1" (exact matched runtime pair; locked per-provider
-merge requires >=0.80.3) — do not downgrade below 0.80.x, and re-verify this comment against
-dist/core/auth-storage.js if the pin is ever lowered. See
-
-FNXC:ProviderAuth 2026-07-24-12:00:
-FN-8564 retains Fusion's credential-store adapter on Pi 0.82.x. The release adds Kimi Code and
-OpenRouter OAuth, so new upstream login providers must still use the same queued, cross-process
-credential persistence contract rather than bypassing Fusion auth storage.
+plus a per-provider read-modify-merge. See
 packages/engine/src/__tests__/auth-storage-concurrency.test.ts for the regression coverage.
+
+FNXC:ProviderAuth 2026-08-12-20:46:
+FN-9007 re-verified pi-coding-agent@0.84.1 dist/core/auth-storage.js: FileAuthStorageBackend's
+proper-lockfile-guarded withLockAsync rereads auth.json and AuthStorage.modify merges
+{ ...currentData, [provider]: next } before writing. This preserves the per-provider
+read-modify-merge contract rather than flushing a whole-file in-memory snapshot as the
+credential-store adapter handles new upstream providers.
 */
 
 /*
diff --git a/packages/engine/src/pi.ts b/packages/engine/src/pi.ts
index da8a66061f..7d6ba36f9e 100644
--- a/packages/engine/src/pi.ts
+++ b/packages/engine/src/pi.ts
@@ -2705,6 +2705,11 @@ export async function createFnAgent(options: AgentOptions): Promise<AgentResult>
     provider-verified reasoning levels and adds Kimi/OpenRouter OAuth plus constrained tools;
     retain Fusion's ModelRuntime session construction and supplemental catalog merges rather
     than duplicating upstream provider behavior.
+
+    FNXC:ModelCatalog 2026-08-12-20:46:
+    FN-9007 advances the exact matched Pi runtime closure from 0.82.1 to 0.84.1.
+    Keep constructing sessions through ModelRuntime so Fusion inherits the updated provider
+    catalog and SDK behavior without duplicating upstream runtime policy.
     */
     const createSessionOptions: NonNullable<Parameters<typeof createAgentSession>[0]> = {
       cwd: options.cwd,
diff --git a/packages/pi-claude-cli/package.json b/packages/pi-claude-cli/package.json
index ced9c47e30..b58e114211 100644
--- a/packages/pi-claude-cli/package.json
+++ b/packages/pi-claude-cli/package.json
@@ -23,12 +23,12 @@
     "@agentclientprotocol/sdk": "0.24.0"
   },
   "peerDependencies": {
-    "@earendil-works/pi-ai": "0.82.1",
-    "@earendil-works/pi-coding-agent": "0.82.1"
+    "@earendil-works/pi-ai": "0.84.1",
+    "@earendil-works/pi-coding-agent": "0.84.1"
   },
   "devDependencies": {
-    "@earendil-works/pi-ai": "0.82.1",
-    "@earendil-works/pi-coding-agent": "0.82.1",
+    "@earendil-works/pi-ai": "0.84.1",
+    "@earendil-works/pi-coding-agent": "0.84.1",
     "@types/node": "^22.0.0",
     "typescript": "^5.7.0",
     "vitest": "^4.1.10"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d4bf77306b..ad018509f4 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -7,10 +7,13 @@ settings:
 overrides:
   '@types/node': ^25.5.2
   protobufjs: ^7.5.8
-  '@earendil-works/pi-agent-core': 0.82.1
-  '@earendil-works/pi-ai': 0.82.1
-  '@earendil-works/pi-coding-agent': 0.82.1
-  '@earendil-works/pi-tui': 0.82.1
+  '@earendil-works/pi-agent-core': 0.84.1
+  '@earendil-works/pi-ai': 0.84.1
+  '@earendil-works/pi-client': 0.84.1
+  '@earendil-works/pi-coding-agent': 0.84.1
+  '@earendil-works/pi-protocol': 0.84.1
+  '@earendil-works/pi-telemetry': 0.84.1
+  '@earendil-works/pi-tui': 0.84.1
 
 importers:
 
@@ -56,11 +59,11 @@ importers:
         specifier: 0.24.0
         version: 0.24.0(zod@4.4.3)
       '@earendil-works/pi-ai':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)
       '@earendil-works/pi-coding-agent':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)
       agent-browser:
         specifier: 0.26.0
         version: 0.26.0
@@ -218,8 +221,8 @@ importers:
         version: 2.9.0
     devDependencies:
       '@earendil-works/pi-coding-agent':
-        specifier: 0.82.1
-        version: 0.82.1
+        specifier: 0.84.1
+        version: 0.84.1
       '@types/dockerode':
         specifier: ^3.3.41
         version: 3.3.47
@@ -267,8 +270,8 @@ importers:
         specifier: ^6.36.4
         version: 6.40.0
       '@earendil-works/pi-coding-agent':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)
       '@fusion-plugin-examples/claude-runtime':
         specifier: workspace:*
         version: link:../../plugins/fusion-plugin-claude-runtime
@@ -412,8 +415,8 @@ importers:
         version: 3.25.76
     devDependencies:
       '@earendil-works/pi-ai':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)
       '@testing-library/jest-dom':
         specifier: ^6.9.1
         version: 6.9.1
@@ -540,11 +543,11 @@ importers:
   packages/droid-cli:
     dependencies:
       '@earendil-works/pi-ai':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@earendil-works/pi-coding-agent':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@fusion-plugin-examples/droid-runtime':
         specifier: workspace:*
         version: link:../../plugins/fusion-plugin-droid-runtime
@@ -562,11 +565,11 @@ importers:
   packages/engine:
     dependencies:
       '@earendil-works/pi-ai':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@earendil-works/pi-coding-agent':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@fusion/core':
         specifier: workspace:*
         version: link:../core
@@ -680,11 +683,11 @@ importers:
         version: 0.24.0(zod@4.4.3)
     devDependencies:
       '@earendil-works/pi-ai':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@earendil-works/pi-coding-agent':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@types/node':
         specifier: ^25.5.2
         version: 25.9.5
@@ -698,8 +701,8 @@ importers:
   packages/pi-llama-cpp:
     dependencies:
       '@earendil-works/pi-coding-agent':
-        specifier: 0.82.1
-        version: 0.82.1
+        specifier: 0.84.1
+        version: 0.84.1
     devDependencies:
       '@types/node':
         specifier: ^25.5.2
@@ -797,11 +800,11 @@ importers:
         specifier: 0.24.0
         version: 0.24.0(zod@4.4.3)
       '@earendil-works/pi-ai':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@earendil-works/pi-coding-agent':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@fusion/core':
         specifier: workspace:*
         version: link:../../packages/core
@@ -847,11 +850,11 @@ importers:
         specifier: 0.24.0
         version: 0.24.0(zod@4.4.3)
       '@earendil-works/pi-ai':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@earendil-works/pi-coding-agent':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@fusion/core':
         specifier: workspace:*
         version: link:../../packages/core
@@ -970,11 +973,11 @@ importers:
   plugins/fusion-plugin-cursor-runtime:
     dependencies:
       '@earendil-works/pi-ai':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@earendil-works/pi-coding-agent':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@fusion/plugin-sdk':
         specifier: workspace:*
         version: link:../../packages/plugin-sdk
@@ -1026,11 +1029,11 @@ importers:
   plugins/fusion-plugin-droid-runtime:
     dependencies:
       '@earendil-works/pi-ai':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@earendil-works/pi-coding-agent':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@fusion/plugin-sdk':
         specifier: workspace:*
         version: link:../../packages/plugin-sdk
@@ -1073,11 +1076,11 @@ importers:
         specifier: 0.24.0
         version: 0.24.0(zod@4.4.3)
       '@earendil-works/pi-ai':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@earendil-works/pi-coding-agent':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@fusion/core':
         specifier: workspace:*
         version: link:../../packages/core
@@ -1157,11 +1160,11 @@ importers:
         specifier: 0.24.0
         version: 0.24.0(zod@4.4.3)
       '@earendil-works/pi-ai':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@earendil-works/pi-coding-agent':
-        specifier: 0.82.1
-        version: 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+        specifier: 0.84.1
+        version: 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
       '@fusion/core':
         specifier: workspace:*
         version: link:../../packages/core
@@ -1845,22 +1848,34 @@ packages:
     resolution: {integrity: sha512-QxULHAm7cNu72w97JUNCBFODFaXpbDg+dP8b/oWFAZ2MTRppA3U00Y2L1HqaS4J6yBqxwa/Y3nMBaxVKbB/NsA==}
     engines: {node: '>=20.19.0'}
 
-  '@earendil-works/pi-agent-core@0.82.1':
-    resolution: {integrity: sha512-Z3kloziJIE2dmrisRckZX8zDca/gIv9/YdFAzeoqpHiLV2wsni6bL4hInNSjVKLbqT+4kqLIkph2JQLKvSepjg==}
+  '@earendil-works/pi-agent-core@0.84.1':
+    resolution: {integrity: sha512-evyzXYWCLQGmcaBYHlmSku02r8qoN4SGI60GZABo6iV+H+nqX+P9ud8fEZ4GmRq9mUSREvvfX+w9dA9ThF9C6w==}
     engines: {node: '>=22.19.0'}
 
-  '@earendil-works/pi-ai@0.82.1':
-    resolution: {integrity: sha512-3WFYRhEp3lQB3444EhPMBcM7zSaEUE3eJgHOR7s4081NLqbw/FsWilIKWXSua0Gv3sRr7m9xMidR3pPDE7jI/A==}
+  '@earendil-works/pi-ai@0.84.1':
+    resolution: {integrity: sha512-wMsAdJMxuNri08vLqTyYVI201DQQezGhPSTkzYsHdw5dYX3rCNwEmSvpaAwhi7ELKI/2tE/CEgSWg/6iRxSgdQ==}
     engines: {node: '>=22.19.0'}
     hasBin: true
 
-  '@earendil-works/pi-coding-agent@0.82.1':
-    resolution: {integrity: sha512-zbkAhoIuDPMF3pKuja0ajZabrMWU29FUMV9A/XMXT/XC1yXs5xt6t6t13GogQFsDrDqbFP4DkZQO1w8rWRAzYA==}
+  '@earendil-works/pi-client@0.84.1':
+    resolution: {integrity: sha512-/V5hGHE4Zq+jG0GtwIB9PyBUOGd6gBLZ7lkQYFKchKnxYHeH3rmWC5xw4kpnZKKBuBuFTdLVbU9vEjlAGMMb2A==}
+    engines: {node: '>=22.19.0'}
+
+  '@earendil-works/pi-coding-agent@0.84.1':
+    resolution: {integrity: sha512-ncAqFrG+iybuPGOhMiZoEHkEzTpJgz3guYD32pD+M7ucc0WeHmauP6wa7qwP8V/KWvsZDVNa5XGsdZ7fkC7w7A==}
     engines: {node: '>=22.19.0'}
     hasBin: true
 
-  '@earendil-works/pi-tui@0.82.1':
-    resolution: {integrity: sha512-9yN8hALfKaxZq7n54EMxqhFCWnMi6LHkraMJ/1YjHiATq75XrI6XDMVppn9EDtiK7Fks8hUe1SDXUTrIvwRWfQ==}
+  '@earendil-works/pi-protocol@0.84.1':
+    resolution: {integrity: sha512-Ox1pciyeSPGEEUcxvR0/dJcrY7C6hrEGA8y71rOsvSIUlXN1Cbp/be/eoL71OGDBk5O97TeQPfWN6Ju/2Ehjww==}
+    engines: {node: '>=22.19.0'}
+
+  '@earendil-works/pi-telemetry@0.84.1':
+    resolution: {integrity: sha512-180/xGJtsq7IoR3p9EKWjRd0e9M4DkxInhlo9xyD7prDC7Qrhqq+nhvwrW0lFjPfXcEI2FSHmGCSyvSJE9GsaQ==}
+    engines: {node: '>=22.19.0'}
+
+  '@earendil-works/pi-tui@0.84.1':
+    resolution: {integrity: sha512-udeXFbgEhJ6JiB0uguwNVNkDy2FENfmtQwPcY+/iJ8GWeq18wkal1tKqa5YyeH0IqtX1vG0cGh8zfSYzyzVuLA==}
     engines: {node: '>=22.19.0'}
 
   '@electron/asar@3.4.1':
@@ -5371,6 +5386,10 @@ packages:
   graceful-fs@4.2.11:
     resolution: {integrity: sha512-RbJ5/jmFcNNCcDV5o9eTnBLJ/HszWV0P73bc+Ff4nS/rJj+YaS6IGyiOL0VoBYX+l1Wrl3k63h/KrH+nhJ0XvQ==}
 
+  grok-mermaid@0.2.2:
+    resolution: {integrity: sha512-XcJEP5dDC8liHBh52mlLjU18fNvu1ckFsu0QpIG3+APZ270fsj9wxpiA6cOURmbUEuoMVgjbC2+UYgTdCqqgzA==}
+    engines: {node: '>=18'}
+
   hachure-fill@0.5.2:
     resolution: {integrity: sha512-3GKBOn+m2LX9iq+JC1064cSFprJY4jL1jCXTcpnfER5HYE2l/4EfWSGzkPa/ZDBmYI0ZOEj5VHV/eKnPGkHuOg==}
 
@@ -7639,6 +7658,9 @@ packages:
   typebox@1.1.38:
     resolution: {integrity: sha512-pZ0aQPmMmXoUvSbeuWf/Hzsc+avNw/Zd6VeE8CFgkVGWyuHPJvqeJJDeJqLve+K70LvjYIoleGcoJHPT17cWoA==}
 
+  typebox@1.3.7:
+    resolution: {integrity: sha512-meKuifc33Pccx0O6PdIzYMq3Og8zvP4TIi/a+Bw3AEMZMxOD0+RHGQvpglEe6Zdy3wZ8nqn/j95h8LUZLk/6Hg==}
+
   typedarray@0.0.6:
     resolution: {integrity: sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA==}
 
@@ -7668,8 +7690,8 @@ packages:
     resolution: {integrity: sha512-IDxfleLmmbSskfWSUATiN1nfn2rDuvnMOqb5CWR92iIfojA0Ud+ulOAAEQ57LPr9rWmsreUyf5lwyao+7GNNVw==}
     engines: {node: '>=20.18.1'}
 
-  undici@8.5.0:
-    resolution: {integrity: sha512-xamtWoB1EshgjpmlXd7GGm2VfdDtw1+rD8uhry8pSNW3If6S8E0m2T2+orSKeZXEn/aPJMviCpDBA65WJt8zhg==}
+  undici@8.9.0:
+    resolution: {integrity: sha512-aWZpUj7XoGonMClx4gdDRfgBjqeA+F473aDmROQQbM9n6PRfK/u1q/a0X4wMTgcHfT8H6fpbt98PFuDUwFg2YA==}
     engines: {node: '>=22.19.0'}
 
   unicorn-magic@0.3.0:
@@ -8806,12 +8828,13 @@ snapshots:
 
   '@csstools/css-tokenizer@4.0.0': {}
 
-  '@earendil-works/pi-agent-core@0.82.1':
+  '@earendil-works/pi-agent-core@0.84.1':
     dependencies:
-      '@earendil-works/pi-ai': 0.82.1
+      '@earendil-works/pi-ai': 0.84.1
+      '@earendil-works/pi-telemetry': 0.84.1
       diff: 8.0.4
       ignore: 7.0.5
-      typebox: 1.1.38
+      typebox: 1.3.7
       yaml: 2.9.0
     transitivePeerDependencies:
       - '@modelcontextprotocol/sdk'
@@ -8821,12 +8844,13 @@ snapshots:
       - ws
       - zod
 
-  '@earendil-works/pi-agent-core@0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)':
+  '@earendil-works/pi-agent-core@0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)':
     dependencies:
-      '@earendil-works/pi-ai': 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)
+      '@earendil-works/pi-ai': 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)
+      '@earendil-works/pi-telemetry': 0.84.1
       diff: 8.0.4
       ignore: 7.0.5
-      typebox: 1.1.38
+      typebox: 1.3.7
       yaml: 2.9.0
     transitivePeerDependencies:
       - '@modelcontextprotocol/sdk'
@@ -8836,12 +8860,13 @@ snapshots:
       - ws
       - zod
 
-  '@earendil-works/pi-agent-core@0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)':
+  '@earendil-works/pi-agent-core@0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)':
     dependencies:
-      '@earendil-works/pi-ai': 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)
+      '@earendil-works/pi-ai': 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)
+      '@earendil-works/pi-telemetry': 0.84.1
       diff: 8.0.4
       ignore: 7.0.5
-      typebox: 1.1.38
+      typebox: 1.3.7
       yaml: 2.9.0
     transitivePeerDependencies:
       - '@modelcontextprotocol/sdk'
@@ -8851,12 +8876,13 @@ snapshots:
       - ws
       - zod
 
-  '@earendil-works/pi-agent-core@0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)':
+  '@earendil-works/pi-agent-core@0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)':
     dependencies:
-      '@earendil-works/pi-ai': 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+      '@earendil-works/pi-ai': 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+      '@earendil-works/pi-telemetry': 0.84.1
       diff: 8.0.4
       ignore: 7.0.5
-      typebox: 1.1.38
+      typebox: 1.3.7
       yaml: 2.9.0
     transitivePeerDependencies:
       - '@modelcontextprotocol/sdk'
@@ -8866,10 +8892,11 @@ snapshots:
       - ws
       - zod
 
-  '@earendil-works/pi-ai@0.82.1':
+  '@earendil-works/pi-ai@0.84.1':
     dependencies:
       '@anthropic-ai/sdk': 0.91.1
       '@aws-sdk/client-bedrock-runtime': 3.1048.0
+      '@earendil-works/pi-telemetry': 0.84.1
       '@google/genai': 1.52.0
       '@mistralai/mistralai': 2.2.6(@opentelemetry/api@1.9.0)
       '@opentelemetry/api': 1.9.0
@@ -8878,7 +8905,7 @@ snapshots:
       https-proxy-agent: 7.0.6
       openai: 6.26.0
       partial-json: 0.1.7
-      typebox: 1.1.38
+      typebox: 1.3.7
     transitivePeerDependencies:
       - '@modelcontextprotocol/sdk'
       - bufferutil
@@ -8887,10 +8914,11 @@ snapshots:
       - ws
       - zod
 
-  '@earendil-works/pi-ai@0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)':
+  '@earendil-works/pi-ai@0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)':
     dependencies:
       '@anthropic-ai/sdk': 0.91.1(zod@3.25.76)
       '@aws-sdk/client-bedrock-runtime': 3.1048.0
+      '@earendil-works/pi-telemetry': 0.84.1
       '@google/genai': 1.52.0(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))
       '@mistralai/mistralai': 2.2.6(@opentelemetry/api@1.9.0)
       '@opentelemetry/api': 1.9.0
@@ -8899,7 +8927,7 @@ snapshots:
       https-proxy-agent: 7.0.6
       openai: 6.26.0(ws@8.21.1)(zod@3.25.76)
       partial-json: 0.1.7
-      typebox: 1.1.38
+      typebox: 1.3.7
     transitivePeerDependencies:
       - '@modelcontextprotocol/sdk'
       - bufferutil
@@ -8908,10 +8936,11 @@ snapshots:
       - ws
       - zod
 
-  '@earendil-works/pi-ai@0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)':
+  '@earendil-works/pi-ai@0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)':
     dependencies:
       '@anthropic-ai/sdk': 0.91.1(zod@4.4.3)
       '@aws-sdk/client-bedrock-runtime': 3.1048.0
+      '@earendil-works/pi-telemetry': 0.84.1
       '@google/genai': 1.52.0(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))
       '@mistralai/mistralai': 2.2.6(@opentelemetry/api@1.9.0)
       '@opentelemetry/api': 1.9.0
@@ -8920,7 +8949,7 @@ snapshots:
       https-proxy-agent: 7.0.6
       openai: 6.26.0(ws@8.21.1)(zod@4.4.3)
       partial-json: 0.1.7
-      typebox: 1.1.38
+      typebox: 1.3.7
     transitivePeerDependencies:
       - '@modelcontextprotocol/sdk'
       - bufferutil
@@ -8929,10 +8958,11 @@ snapshots:
       - ws
       - zod
 
-  '@earendil-works/pi-ai@0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)':
+  '@earendil-works/pi-ai@0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)':
     dependencies:
       '@anthropic-ai/sdk': 0.91.1(zod@4.4.3)
       '@aws-sdk/client-bedrock-runtime': 3.1048.0
+      '@earendil-works/pi-telemetry': 0.84.1
       '@google/genai': 1.52.0(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))
       '@mistralai/mistralai': 2.2.6(@opentelemetry/api@1.9.0)
       '@opentelemetry/api': 1.9.0
@@ -8941,7 +8971,7 @@ snapshots:
       https-proxy-agent: 7.0.6
       openai: 6.26.0(ws@8.21.3)(zod@4.4.3)
       partial-json: 0.1.7
-      typebox: 1.1.38
+      typebox: 1.3.7
     transitivePeerDependencies:
       - '@modelcontextprotocol/sdk'
       - bufferutil
@@ -8950,16 +8980,23 @@ snapshots:
       - ws
       - zod
 
-  '@earendil-works/pi-coding-agent@0.82.1':
+  '@earendil-works/pi-client@0.84.1':
     dependencies:
-      '@earendil-works/pi-agent-core': 0.82.1
-      '@earendil-works/pi-ai': 0.82.1
-      '@earendil-works/pi-tui': 0.82.1
+      '@earendil-works/pi-protocol': 0.84.1
+
+  '@earendil-works/pi-coding-agent@0.84.1':
+    dependencies:
+      '@earendil-works/pi-agent-core': 0.84.1
+      '@earendil-works/pi-ai': 0.84.1
+      '@earendil-works/pi-client': 0.84.1
+      '@earendil-works/pi-protocol': 0.84.1
+      '@earendil-works/pi-tui': 0.84.1
       '@silvia-odwyer/photon-node': 0.3.4
       chalk: 5.6.2
       cross-spawn: 7.0.6
       diff: 8.0.4
       glob: 13.0.6
+      grok-mermaid: 0.2.2
       highlight.js: 10.7.3
       hosted-git-info: 9.0.3
       ignore: 7.0.5
@@ -8967,8 +9004,8 @@ snapshots:
       minimatch: 10.2.5
       proper-lockfile: 4.1.2
       semver: 7.8.0
-      typebox: 1.1.38
-      undici: 8.5.0
+      typebox: 1.3.7
+      undici: 8.9.0
       yaml: 2.9.0
     optionalDependencies:
       '@mariozechner/clipboard': 0.3.9
@@ -8980,16 +9017,19 @@ snapshots:
       - ws
       - zod
 
-  '@earendil-works/pi-coding-agent@0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)':
+  '@earendil-works/pi-coding-agent@0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)':
     dependencies:
-      '@earendil-works/pi-agent-core': 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)
-      '@earendil-works/pi-ai': 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)
-      '@earendil-works/pi-tui': 0.82.1
+      '@earendil-works/pi-agent-core': 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)
+      '@earendil-works/pi-ai': 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@3.25.76))(ws@8.21.1)(zod@3.25.76)
+      '@earendil-works/pi-client': 0.84.1
+      '@earendil-works/pi-protocol': 0.84.1
+      '@earendil-works/pi-tui': 0.84.1
       '@silvia-odwyer/photon-node': 0.3.4
       chalk: 5.6.2
       cross-spawn: 7.0.6
       diff: 8.0.4
       glob: 13.0.6
+      grok-mermaid: 0.2.2
       highlight.js: 10.7.3
       hosted-git-info: 9.0.3
       ignore: 7.0.5
@@ -8997,8 +9037,8 @@ snapshots:
       minimatch: 10.2.5
       proper-lockfile: 4.1.2
       semver: 7.8.0
-      typebox: 1.1.38
-      undici: 8.5.0
+      typebox: 1.3.7
+      undici: 8.9.0
       yaml: 2.9.0
     optionalDependencies:
       '@mariozechner/clipboard': 0.3.9
@@ -9010,16 +9050,19 @@ snapshots:
       - ws
       - zod
 
-  '@earendil-works/pi-coding-agent@0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)':
+  '@earendil-works/pi-coding-agent@0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)':
     dependencies:
-      '@earendil-works/pi-agent-core': 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)
-      '@earendil-works/pi-ai': 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)
-      '@earendil-works/pi-tui': 0.82.1
+      '@earendil-works/pi-agent-core': 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)
+      '@earendil-works/pi-ai': 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.1)(zod@4.4.3)
+      '@earendil-works/pi-client': 0.84.1
+      '@earendil-works/pi-protocol': 0.84.1
+      '@earendil-works/pi-tui': 0.84.1
       '@silvia-odwyer/photon-node': 0.3.4
       chalk: 5.6.2
       cross-spawn: 7.0.6
       diff: 8.0.4
       glob: 13.0.6
+      grok-mermaid: 0.2.2
       highlight.js: 10.7.3
       hosted-git-info: 9.0.3
       ignore: 7.0.5
@@ -9027,8 +9070,8 @@ snapshots:
       minimatch: 10.2.5
       proper-lockfile: 4.1.2
       semver: 7.8.0
-      typebox: 1.1.38
-      undici: 8.5.0
+      typebox: 1.3.7
+      undici: 8.9.0
       yaml: 2.9.0
     optionalDependencies:
       '@mariozechner/clipboard': 0.3.9
@@ -9040,16 +9083,19 @@ snapshots:
       - ws
       - zod
 
-  '@earendil-works/pi-coding-agent@0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)':
+  '@earendil-works/pi-coding-agent@0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)':
     dependencies:
-      '@earendil-works/pi-agent-core': 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
-      '@earendil-works/pi-ai': 0.82.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
-      '@earendil-works/pi-tui': 0.82.1
+      '@earendil-works/pi-agent-core': 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+      '@earendil-works/pi-ai': 0.84.1(@modelcontextprotocol/sdk@1.28.0(zod@4.4.3))(ws@8.21.3)(zod@4.4.3)
+      '@earendil-works/pi-client': 0.84.1
+      '@earendil-works/pi-protocol': 0.84.1
+      '@earendil-works/pi-tui': 0.84.1
       '@silvia-odwyer/photon-node': 0.3.4
       chalk: 5.6.2
       cross-spawn: 7.0.6
       diff: 8.0.4
       glob: 13.0.6
+      grok-mermaid: 0.2.2
       highlight.js: 10.7.3
       hosted-git-info: 9.0.3
       ignore: 7.0.5
@@ -9057,8 +9103,8 @@ snapshots:
       minimatch: 10.2.5
       proper-lockfile: 4.1.2
       semver: 7.8.0
-      typebox: 1.1.38
-      undici: 8.5.0
+      typebox: 1.3.7
+      undici: 8.9.0
       yaml: 2.9.0
     optionalDependencies:
       '@mariozechner/clipboard': 0.3.9
@@ -9070,7 +9116,13 @@ snapshots:
       - ws
       - zod
 
-  '@earendil-works/pi-tui@0.82.1':
+  '@earendil-works/pi-protocol@0.84.1':
+    dependencies:
+      typebox: 1.3.7
+
+  '@earendil-works/pi-telemetry@0.84.1': {}
+
+  '@earendil-works/pi-tui@0.84.1':
     dependencies:
       get-east-asian-width: 1.6.0
       marked: 18.0.5
@@ -9415,7 +9467,7 @@ snapshots:
       google-auth-library: 10.9.0
       p-retry: 4.6.2
       protobufjs: 7.6.5
-      ws: 8.21.1
+      ws: 8.21.3
     transitivePeerDependencies:
       - bufferutil
       - supports-color
@@ -9426,7 +9478,7 @@ snapshots:
       google-auth-library: 10.9.0
       p-retry: 4.6.2
       protobufjs: 7.6.5
-      ws: 8.21.1
+      ws: 8.21.3
     optionalDependencies:
       '@modelcontextprotocol/sdk': 1.28.0(zod@3.25.76)
     transitivePeerDependencies:
@@ -9439,7 +9491,7 @@ snapshots:
       google-auth-library: 10.9.0
       p-retry: 4.6.2
       protobufjs: 7.6.5
-      ws: 8.21.1
+      ws: 8.21.3
     optionalDependencies:
       '@modelcontextprotocol/sdk': 1.28.0(zod@4.4.3)
     transitivePeerDependencies:
@@ -9944,7 +9996,7 @@ snapshots:
   '@mistralai/mistralai@2.2.6(@opentelemetry/api@1.9.0)':
     dependencies:
       '@opentelemetry/semantic-conventions': 1.43.0
-      ws: 8.21.1
+      ws: 8.21.3
       zod: 3.25.76
       zod-to-json-schema: 3.25.2(zod@3.25.76)
     optionalDependencies:
@@ -12683,6 +12735,8 @@ snapshots:
 
   graceful-fs@4.2.11: {}
 
+  grok-mermaid@0.2.2: {}
+
   hachure-fill@0.5.2: {}
 
   happy-dom@20.10.1:
@@ -15322,6 +15376,8 @@ snapshots:
 
   typebox@1.1.38: {}
 
+  typebox@1.3.7: {}
+
   typedarray@0.0.6: {}
 
   typescript-eslint@8.66.0(eslint@9.39.4(jiti@2.7.0))(typescript@5.9.3):
@@ -15345,7 +15401,7 @@ snapshots:
 
   undici@7.29.0: {}
 
-  undici@8.5.0: {}
+  undici@8.9.0: {}
 
   unicorn-magic@0.3.0: {}
 
@@ -15598,8 +15654,7 @@ snapshots:
 
   ws@8.21.1: {}
 
-  ws@8.21.3:
-    optional: true
+  ws@8.21.3: {}
 
   xml-name-validator@5.0.0: {}
 
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index e5ec639e65..de64fcfce9 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -31,10 +31,16 @@ overrides:
   # FNXC:DesktopPackaging 2026-07-26-22:55: Advance the matched closure 0.82.0 → 0.82.1 so
   # electron-builder's production-dependency walk accepts pi-agent-core's pi-ai@^0.82.1 requirement
   # (Desktop packaging PR-lane failure when deploy resolved a newer agent-core patch beside 0.82.0 ai).
-  '@earendil-works/pi-agent-core': 0.82.1
-  '@earendil-works/pi-ai': 0.82.1
-  '@earendil-works/pi-coding-agent': 0.82.1
-  '@earendil-works/pi-tui': 0.82.1
+  # FNXC:DesktopPackaging 2026-08-12-20:46: Advance the matched closure 0.82.1 → 0.84.1.
+  # pi-coding-agent@0.84.1 adds pi-client and pi-protocol while pi-ai@0.84.1 adds pi-telemetry;
+  # none were in the pre-bump lockfile, so pin every sibling for electron-builder's lockfile-free walk.
+  '@earendil-works/pi-agent-core': 0.84.1
+  '@earendil-works/pi-ai': 0.84.1
+  '@earendil-works/pi-client': 0.84.1
+  '@earendil-works/pi-coding-agent': 0.84.1
+  '@earendil-works/pi-protocol': 0.84.1
+  '@earendil-works/pi-telemetry': 0.84.1
+  '@earendil-works/pi-tui': 0.84.1
 # FNXC:DesktopEmbeddedPostgres 2026-07-14-09:30:
 # Desktop release jobs cross-build Intel and ARM64 artifacts on one host. Install
 # optional native payloads for both CPU families on the current OS so each
diff --git a/scripts/__tests__/check-pi-versions-pinned.test.mjs b/scripts/__tests__/check-pi-versions-pinned.test.mjs
index fb9293e396..098fbd7526 100644
--- a/scripts/__tests__/check-pi-versions-pinned.test.mjs
+++ b/scripts/__tests__/check-pi-versions-pinned.test.mjs
@@ -9,12 +9,12 @@ import {
 
 /*
 FNXC:DesktopPackaging 2026-07-26-22:55:
-Fixture versions track the workspace's exact matched Pi runtime pin (currently 0.82.1).
+Fixture versions track the workspace's exact matched Pi runtime pin (currently 0.84.1).
 Keep these in sync when advancing overrides/manifests so the policy guard still exercises
 matched-set and range rejection against the live pin surface.
 */
-const PINNED_VERSION = "0.82.1";
-const OTHER_VERSION = "0.82.0";
+const PINNED_VERSION = "0.84.1";
+const OTHER_VERSION = "0.84.0";
 
 const pinnedManifest = {
   dependencies: {
@@ -33,7 +33,7 @@ describe("check-pi-versions-pinned", () => {
   });
 
   it("rejects caret, tilde, wildcard, x, and comparator ranges", () => {
-    for (const version of [`^${PINNED_VERSION}`, `~${PINNED_VERSION}`, "*", "0.82.x", `>=${PINNED_VERSION}`]) {
+    for (const version of [`^${PINNED_VERSION}`, `~${PINNED_VERSION}`, "*", "0.84.x", `>=${PINNED_VERSION}`]) {
       const violations = validate({
         ...pinnedManifest,
         dependencies: { ...pinnedManifest.dependencies, "@earendil-works/pi-ai": version },
@@ -80,5 +80,24 @@ describe("check-pi-versions-pinned", () => {
         .some((violation) => violation.includes("one exact version")),
       true,
     );
+
+    for (const packageName of [
+      "@earendil-works/pi-client",
+      "@earendil-works/pi-protocol",
+      "@earendil-works/pi-telemetry",
+    ]) {
+      assert.equal(
+        validateWorkspaceOverrides({ ...coherentOverrides, [packageName]: undefined })
+          .some((violation) => violation.includes(packageName) && violation.includes("must be pinned")),
+        true,
+        `${packageName} must remain in the desktop closure`,
+      );
+      assert.equal(
+        validateWorkspaceOverrides({ ...coherentOverrides, [packageName]: OTHER_VERSION })
+          .some((violation) => violation.includes("one exact version")),
+        true,
+        `${packageName} must share the desktop closure pin`,
+      );
+    }
   });
 });
diff --git a/scripts/check-pi-versions-pinned.mjs b/scripts/check-pi-versions-pinned.mjs
index a003d60056..3a482429f2 100644
--- a/scripts/check-pi-versions-pinned.mjs
+++ b/scripts/check-pi-versions-pinned.mjs
@@ -22,11 +22,19 @@ The legacy desktop deploy resolves pi-coding-agent's transitive pi-mono ranges
 without the workspace lockfile. Keep every Pi package in that staged runtime
 closure on one exact override so a new agent-core or tui patch cannot be hoisted
 beside older direct ai/coding-agent dependencies.
+
+FNXC:DesktopPackaging 2026-08-12-20:46:
+pi-coding-agent@0.84.1 transitively adds pi-client and pi-protocol while pi-ai
+adds pi-telemetry. Guard these siblings too so electron-builder's lockfile-free
+production walk cannot hoist them into a split Pi runtime closure.
 */
 export const PI_RUNTIME_PACKAGES = [
   "@earendil-works/pi-agent-core",
   "@earendil-works/pi-ai",
+  "@earendil-works/pi-client",
   "@earendil-works/pi-coding-agent",
+  "@earendil-works/pi-protocol",
+  "@earendil-works/pi-telemetry",
   "@earendil-works/pi-tui",
 ];