feat: journal dashboard widgets, agent polish, and edit-mode live previews

Journal dashboard widgets and quick-add; rich-text quick-add dialogs.

Dashboard draft sync for live edit previews; assistant bubble + API tools.

Journal UX: stress slider, mood grid, query cap fix.

tests/unit/agent-progress.test.ts

@@ -0,0 +1,51 @@
+import assert from "node:assert/strict";
+import { describe, it } from "node:test";
+import { describeToolActivity } from "../../src/modules/agent/tool-labels";
+import { encodeSseEvent, thinkingLabel } from "../../src/modules/agent/server/progress";
+import { createMockLlmClient } from "../../src/lib/llm/mock";
+import { runAgentChat } from "../../src/modules/agent/server/run";
+
+describe("describeToolActivity", () => {
+  it("uses item text when adding to a list", () => {
+    const label = describeToolActivity("add_list_item", JSON.stringify({ text: "milk" }));
+    assert.match(label, /milk/);
+  });
+
+  it("mentions the API path for call_api", () => {
+    const label = describeToolActivity(
+      "call_api",
+      JSON.stringify({ method: "GET", path: "/api/v1/notes" }),
+    );
+    assert.match(label, /\/api\/v1\/notes/);
+  });
+});
+
+describe("agent progress", () => {
+  it("encodes SSE payloads", () => {
+    const encoded = encodeSseEvent({ type: "thinking", label: "Planning…", round: 0 });
+    assert.equal(encoded, 'data: {"type":"thinking","label":"Planning…","round":0}\n\n');
+  });
+
+  it("uses different labels per round", () => {
+    assert.match(thinkingLabel(0), /request/i);
+    assert.match(thinkingLabel(1), /found/i);
+  });
+
+  it("emits progress events during tool execution", async () => {
+    const events: string[] = [];
+    await runAgentChat({
+      messages: [{ role: "user", content: "add milk to the shopping list" }],
+      request: new Request("http://localhost:3000/api/agent/chat"),
+      llm: createMockLlmClient(),
+      executeTool: async () =>
+        JSON.stringify({ status: 201, body: { id: "item-1", text: "milk" } }),
+      onProgress: (event) => {
+        if (event.type === "tool") events.push(event.label);
+        if (event.type === "thinking") events.push(event.label);
+      },
+    });
+
+    assert.ok(events.some((label) => label.includes("milk")));
+    assert.ok(events.some((label) => /request|found/i.test(label)));
+  });
+});