diff --git a/src/app/api/mcp/route.test.ts b/src/app/api/mcp/route.test.ts
index fd7431f..9e6babc 100644
--- a/src/app/api/mcp/route.test.ts
+++ b/src/app/api/mcp/route.test.ts
@@ -278,6 +278,7 @@ const toolNames = body.result.tools.map((t: { name: string }) => t.name);
       "quotes.submit",
       "quotes.re_price",
       "quotes.next_number",
+      "quotes.assistant_fill",
       "quotes.lookup",
       "attachments.upload_for_quote",
       // Quote attachments — list + PDF retrieval (added 2026-08-05)
diff --git a/src/app/api/mcp/route.ts b/src/app/api/mcp/route.ts
index c7d7108..f27c9d0 100644
--- a/src/app/api/mcp/route.ts
+++ b/src/app/api/mcp/route.ts
@@ -391,6 +391,14 @@ const TOOL_HINTS: Record<string, { hint: string; nextActions: string[] }> = {
       "If 500, check server logs for the PDFKit stack trace",
     ],
   },
+  "quotes.assistant_fill": {
+    hint: "The run reports problems in `error` instead of throwing: \"quote is not open…\" (only draft/pending quotes are filled), \"AI is disabled in settings\", or \"AI call failed…\" (the affected lines are marked `error` and retry automatically after 1 hour). Deterministic ones should not be retried.",
+    nextActions: [
+      "Check the quote status with quotes.get before retrying",
+      "If the AI is disabled, ask the operator to enable it in /settings/ai",
+      "Filled lines stay purple until a rep reviews them — do not mark them done or send the quote",
+    ],
+  },
   "quotes.re_price": {
     hint: "Re-price can fail with 422 (no items left to price) or 500 (PB write).",
     nextActions: [
@@ -1576,6 +1584,18 @@ const tools = [
       "Reserve the next quote number (`Q{yy}{mm}{NNN}`). Atomic counter; gaps are possible if the caller never persists the resulting draft.",
     inputSchema: { type: "object", properties: {} },
   },
+  {
+    name: "quotes.assistant_fill",
+    description:
+      "Run the AI quote assistant on one quote now: fills unpriced lines from matching POS items (purple, unreviewed) and notes the closest items for unmatched lines. Never marks lines done or sends anything.",
+    inputSchema: {
+      type: "object",
+      required: ["quote_id"],
+      properties: {
+        quote_id: { type: "string", description: "quote id" },
+      },
+    },
+  },
   {
     name: "quotes.lookup",
     description:
@@ -5327,6 +5347,22 @@ async function handleMcpPost(req: NextRequest) {
         return jsonRpcOk(body.id, { quote_number });
       }
 
+      if (toolName === "quotes.assistant_fill") {
+        const quoteId = typeof args.quote_id === "string" ? args.quote_id.trim() : "";
+        if (!quoteId) throw new Error("quote_id is required.");
+        const { fillQuote } = await import("@/lib/server/quote-assistant-service");
+        const result = await fillQuote(quoteId, { force: true, actorName: "MCP" });
+        if (result.error) {
+          const hintEntry = TOOL_HINTS["quotes.assistant_fill"];
+          return jsonRpcOk(body.id, {
+            ...result,
+            hint: hintEntry?.hint,
+            nextActions: hintEntry?.nextActions,
+          });
+        }
+        return jsonRpcOk(body.id, result);
+      }
+
       if (toolName === "quotes.lookup") {
         const params = new URLSearchParams();
         if (args.q) params.set("q", String(args.q));
diff --git a/src/app/api/v1/quotes/[id]/assistant/run/route.test.ts b/src/app/api/v1/quotes/[id]/assistant/run/route.test.ts
new file mode 100644
index 0000000..41cde32
--- /dev/null
+++ b/src/app/api/v1/quotes/[id]/assistant/run/route.test.ts
@@ -0,0 +1,89 @@
+import { describe, it, expect, beforeEach, vi } from "vitest";
+import { NextRequest } from "next/server";
+
+const fillQuote = vi.fn();
+vi.mock("@/lib/server/quote-assistant-service", () => ({
+  fillQuote: (...a: unknown[]) => fillQuote(...a),
+}));
+
+const getBrowserSessionUser = vi.fn();
+vi.mock("@/lib/server/browser-session", () => ({
+  getBrowserSessionUser: (...a: unknown[]) => getBrowserSessionUser(...a),
+}));
+
+import { POST } from "./route";
+
+function makeReq() {
+  return new NextRequest("http://localhost/api/v1/quotes/q1/assistant/run", {
+    method: "POST",
+    headers: { authorization: "Bearer tok" },
+  });
+}
+const ctx = { params: Promise.resolve({ id: "q1" }) };
+
+beforeEach(() => {
+  vi.clearAllMocks();
+  getBrowserSessionUser.mockResolvedValue({ id: "u1", user_type: null, name: "Sam" });
+});
+
+describe("POST /api/v1/quotes/[id]/assistant/run", () => {
+  it("401s without a valid session", async () => {
+    getBrowserSessionUser.mockRejectedValue(
+      Object.assign(new Error("Not authenticated."), { status: 401 }),
+    );
+    const res = await POST(makeReq(), ctx);
+    expect(res.status).toBe(401);
+    expect(fillQuote).not.toHaveBeenCalled();
+  });
+
+  it("runs fillQuote forced, attributed to the user", async () => {
+    const result = { quoteId: "q1", filled: 2, unmatched: 1, skipped: 0, error: "" };
+    fillQuote.mockResolvedValue(result);
+    const res = await POST(makeReq(), ctx);
+    expect(fillQuote).toHaveBeenCalledWith("q1", { force: true, actorName: "Sam" });
+    expect(res.status).toBe(200);
+    expect(await res.json()).toEqual(result);
+  });
+
+  it("falls back to 'a user' when the user has no name", async () => {
+    getBrowserSessionUser.mockResolvedValue({ id: "u1", user_type: null, name: "" });
+    fillQuote.mockResolvedValue({ quoteId: "q1", filled: 0, unmatched: 0, skipped: 0, error: "" });
+    await POST(makeReq(), ctx);
+    expect(fillQuote).toHaveBeenCalledWith("q1", { force: true, actorName: "a user" });
+  });
+
+  it("409s when the quote is not open", async () => {
+    fillQuote.mockResolvedValue({
+      quoteId: "q1", filled: 0, unmatched: 0, skipped: 0,
+      error: "quote is not open (status: sent)",
+    });
+    const res = await POST(makeReq(), ctx);
+    expect(res.status).toBe(409);
+    expect(await res.json()).toEqual({ error: "quote is not open (status: sent)" });
+  });
+
+  it("409s when the AI is disabled", async () => {
+    fillQuote.mockResolvedValue({
+      quoteId: "q1", filled: 0, unmatched: 0, skipped: 0,
+      error: "AI is disabled in settings",
+    });
+    const res = await POST(makeReq(), ctx);
+    expect(res.status).toBe(409);
+    expect(await res.json()).toEqual({ error: "AI is disabled in settings" });
+  });
+
+  it("returns 200 with the result when the AI call failed", async () => {
+    const result = { quoteId: "q1", filled: 0, unmatched: 0, skipped: 0, error: "AI call failed: timeout" };
+    fillQuote.mockResolvedValue(result);
+    const res = await POST(makeReq(), ctx);
+    expect(res.status).toBe(200);
+    expect(await res.json()).toEqual(result);
+  });
+
+  it("500s when fillQuote throws unexpectedly", async () => {
+    fillQuote.mockRejectedValue(new Error("pb down"));
+    const res = await POST(makeReq(), ctx);
+    expect(res.status).toBe(500);
+    expect(await res.json()).toEqual({ error: "pb down" });
+  });
+});
diff --git a/src/app/api/v1/quotes/[id]/assistant/run/route.ts b/src/app/api/v1/quotes/[id]/assistant/run/route.ts
new file mode 100644
index 0000000..554a900
--- /dev/null
+++ b/src/app/api/v1/quotes/[id]/assistant/run/route.ts
@@ -0,0 +1,43 @@
+import { NextRequest, NextResponse } from "next/server";
+import { getBrowserSessionUser } from "@/lib/server/browser-session";
+import { fillQuote } from "@/lib/server/quote-assistant-service";
+
+/**
+ * POST /api/v1/quotes/[id]/assistant/run
+ *
+ * Manual "run the AI quote assistant now" for one quote (the button on the
+ * Process page). Forces a run past the retry/backoff rules, attributed to
+ * the signed-in user in the audit trail.
+ *
+ * Auth: browser session (PB token forwarded in `Authorization`).
+ *
+ * Response: the `FillQuoteResult`. 409 when the quote isn't open or the AI
+ * is switched off. An AI-call failure is not an HTTP error: it comes back
+ * as 200 with `error` set and the failed lines marked on the quote.
+ */
+export const runtime = "nodejs";
+export const dynamic = "force-dynamic";
+
+export async function POST(
+  req: NextRequest,
+  { params }: { params: Promise<{ id: string }> },
+) {
+  try {
+    const user = await getBrowserSessionUser(req);
+    const { id } = await params;
+
+    const result = await fillQuote(id, {
+      force: true,
+      actorName: user.name || "a user",
+    });
+
+    if (result.error.startsWith("quote is not open") || result.error === "AI is disabled in settings") {
+      return NextResponse.json({ error: result.error }, { status: 409 });
+    }
+    return NextResponse.json(result);
+  } catch (err) {
+    const message = err instanceof Error ? err.message : "Assistant run failed";
+    const status = (err as Error & { status?: number }).status || 500;
+    return NextResponse.json({ error: message }, { status });
+  }
+}
diff --git a/src/app/api/v1/quotes/[id]/re-price/route.test.ts b/src/app/api/v1/quotes/[id]/re-price/route.test.ts
new file mode 100644
index 0000000..13bcb15
--- /dev/null
+++ b/src/app/api/v1/quotes/[id]/re-price/route.test.ts
@@ -0,0 +1,86 @@
+import { describe, it, expect, beforeEach, vi } from "vitest";
+import { NextRequest } from "next/server";
+
+const findFirstPriceListBySku = vi.fn();
+vi.mock("@/lib/server/price-list-match", () => ({
+  findFirstPriceListBySku: (...a: unknown[]) => findFirstPriceListBySku(...a),
+}));
+
+const update = vi.fn();
+const getFullList = vi.fn();
+const suppliersGetList = vi.fn();
+vi.mock("@/lib/server/pocketbase-admin", () => ({
+  getAdminPocketBase: vi.fn().mockResolvedValue({
+    collection: (name: string) => {
+      if (name === "quotes") return { getOne: vi.fn().mockResolvedValue({ id: "q1" }) };
+      if (name === "quote_items") return { getFullList, update };
+      if (name === "suppliers") return { getList: suppliersGetList };
+      throw new Error(`unexpected collection ${name}`);
+    },
+  }),
+}));
+
+import { POST } from "./route";
+
+const ctx = { params: Promise.resolve({ id: "q1" }) };
+function makeReq() {
+  return new NextRequest("http://localhost/api/v1/quotes/q1/re-price", {
+    method: "POST",
+    headers: { authorization: "Bearer tok" },
+  });
+}
+
+const aiPending = {
+  id: "i1",
+  sku: "X1",
+  description: "Widget",
+  pricing_source: "ai_pos",
+  ai_fill: { status: "filled", stock_item_id: "s1" },
+};
+
+beforeEach(() => {
+  vi.clearAllMocks();
+  // The route's session check validates the token against PB.
+  vi.stubGlobal("fetch", vi.fn().mockResolvedValue({ ok: true, json: async () => ({}) }));
+  suppliersGetList.mockResolvedValue({ items: [] });
+  findFirstPriceListBySku.mockResolvedValue({
+    id: "pl1",
+    sku: "X1",
+    description: "Catalogue widget",
+    cost_price: 10,
+    selling_price: 15,
+    supplier: "Acme",
+  });
+});
+
+describe("POST /api/v1/quotes/[id]/re-price — AI line guard", () => {
+  it("skips an unreviewed AI line and never looks it up", async () => {
+    getFullList.mockResolvedValue([aiPending]);
+    const res = await POST(makeReq(), ctx);
+    const body = await res.json();
+    expect(res.status).toBe(200);
+    expect(body.perItem).toEqual([{ itemId: "i1", sku: "X1", outcome: "skipped" }]);
+    expect(body.skipped).toBe(1);
+    expect(body.matched).toBe(0);
+    expect(findFirstPriceListBySku).not.toHaveBeenCalled();
+    expect(update).not.toHaveBeenCalled();
+  });
+
+  it("still re-prices an AI line once it has been reviewed", async () => {
+    getFullList.mockResolvedValue([
+      { ...aiPending, ai_fill: { ...aiPending.ai_fill, reviewed_at: "2026-10-16T10:00:00Z" } },
+    ]);
+    const res = await POST(makeReq(), ctx);
+    const body = await res.json();
+    expect(findFirstPriceListBySku).toHaveBeenCalledWith("X1");
+    expect(body.matched).toBe(1);
+    expect(update).toHaveBeenCalledTimes(1);
+  });
+
+  it("re-prices a normal SKU line", async () => {
+    getFullList.mockResolvedValue([{ id: "i2", sku: "X1", description: "Widget" }]);
+    const res = await POST(makeReq(), ctx);
+    expect((await res.json()).matched).toBe(1);
+    expect(findFirstPriceListBySku).toHaveBeenCalledWith("X1");
+  });
+});
diff --git a/src/app/api/v1/quotes/[id]/re-price/route.ts b/src/app/api/v1/quotes/[id]/re-price/route.ts
index 02f3728..636fcf6 100644
--- a/src/app/api/v1/quotes/[id]/re-price/route.ts
+++ b/src/app/api/v1/quotes/[id]/re-price/route.ts
@@ -4,6 +4,8 @@ import {
   type PriceListMatch,
 } from "@/lib/server/price-list-match";
 import { getAdminPocketBase } from "@/lib/server/pocketbase-admin";
+import { isAiFillPending } from "@/lib/quote-assistant-review";
+import type { QuoteItemAiFill } from "@/lib/types";
 
 /**
  * POST /api/v1/quotes/[id]/re-price
@@ -161,6 +163,8 @@ export async function POST(
       selling_price?: number;
       markup?: number;
       supplier?: string;
+      pricing_source: string;
+      ai_fill?: QuoteItemAiFill | null;
     }>({
       filter: `quote = "${quoteId.replace(/"/g, '\\"')}"`,
       sort: "+created",
@@ -173,6 +177,13 @@ export async function POST(
 
     for (const item of items) {
       const sku = (item.sku ?? "").trim();
+      // Never overwrite an AI-filled line nobody has reviewed yet:
+      // the rep's review (approve / edit) comes first.
+      if (isAiFillPending(item)) {
+        skipped++;
+        perItem.push({ itemId: item.id, sku, outcome: "skipped" });
+        continue;
+      }
       if (!sku) {
         skipped++;
         perItem.push({ itemId: item.id, sku: "", outcome: "skipped" });
diff --git a/src/app/api/v1/quotes/assistant/counts/route.test.ts b/src/app/api/v1/quotes/assistant/counts/route.test.ts
new file mode 100644
index 0000000..ada3ef4
--- /dev/null
+++ b/src/app/api/v1/quotes/assistant/counts/route.test.ts
@@ -0,0 +1,65 @@
+import { describe, it, expect, beforeEach, vi } from "vitest";
+import { NextRequest } from "next/server";
+
+const getAssistantCounts = vi.fn();
+vi.mock("@/lib/server/quote-assistant-service", () => ({
+  getAssistantCounts: (...a: unknown[]) => getAssistantCounts(...a),
+}));
+
+const getBrowserSessionUser = vi.fn();
+vi.mock("@/lib/server/browser-session", () => ({
+  getBrowserSessionUser: (...a: unknown[]) => getBrowserSessionUser(...a),
+}));
+
+import { GET } from "./route";
+
+function makeReq(qs = "") {
+  return new NextRequest(`http://localhost/api/v1/quotes/assistant/counts${qs}`, {
+    headers: { authorization: "Bearer tok" },
+  });
+}
+
+beforeEach(() => {
+  vi.clearAllMocks();
+  getBrowserSessionUser.mockResolvedValue({ id: "u1", user_type: null, name: "Sam" });
+});
+
+describe("GET /api/v1/quotes/assistant/counts", () => {
+  it("401s without a valid session", async () => {
+    getBrowserSessionUser.mockRejectedValue(
+      Object.assign(new Error("Not authenticated."), { status: 401 }),
+    );
+    const res = await GET(makeReq("?ids=a"));
+    expect(res.status).toBe(401);
+    expect(getAssistantCounts).not.toHaveBeenCalled();
+  });
+
+  it("400s when ids is missing or empty", async () => {
+    expect((await GET(makeReq())).status).toBe(400);
+    expect((await GET(makeReq("?ids="))).status).toBe(400);
+    expect((await GET(makeReq("?ids=,"))).status).toBe(400);
+    expect(getAssistantCounts).not.toHaveBeenCalled();
+  });
+
+  it("400s when more than 500 ids are passed", async () => {
+    const ids = Array.from({ length: 501 }, (_, i) => `id${i}`).join(",");
+    const res = await GET(makeReq(`?ids=${ids}`));
+    expect(res.status).toBe(400);
+    expect(getAssistantCounts).not.toHaveBeenCalled();
+  });
+
+  it("passes the split, trimmed ids to the service", async () => {
+    getAssistantCounts.mockResolvedValue({ a: { pending: 1, total: 3 } });
+    const res = await GET(makeReq("?ids=a,%20b,c"));
+    expect(getAssistantCounts).toHaveBeenCalledWith(["a", "b", "c"]);
+    expect(res.status).toBe(200);
+    expect(await res.json()).toEqual({ a: { pending: 1, total: 3 } });
+  });
+
+  it("accepts exactly 500 ids", async () => {
+    getAssistantCounts.mockResolvedValue({});
+    const ids = Array.from({ length: 500 }, (_, i) => `id${i}`).join(",");
+    const res = await GET(makeReq(`?ids=${ids}`));
+    expect(res.status).toBe(200);
+  });
+});
diff --git a/src/app/api/v1/quotes/assistant/counts/route.ts b/src/app/api/v1/quotes/assistant/counts/route.ts
new file mode 100644
index 0000000..9d8c9f8
--- /dev/null
+++ b/src/app/api/v1/quotes/assistant/counts/route.ts
@@ -0,0 +1,45 @@
+import { NextRequest, NextResponse } from "next/server";
+import { getBrowserSessionUser } from "@/lib/server/browser-session";
+import { getAssistantCounts } from "@/lib/server/quote-assistant-service";
+
+/**
+ * GET /api/v1/quotes/assistant/counts?ids=a,b,c
+ *
+ * Per-quote AI-fill counts for the Quotes board badge:
+ *   { [quoteId]: { pending, total } }
+ * Quotes with no lines are absent from the result.
+ *
+ * Auth: browser session (PB token forwarded in `Authorization`).
+ * 400 when `ids` is missing/empty or has more than 500 entries.
+ */
+export const runtime = "nodejs";
+export const dynamic = "force-dynamic";
+
+const MAX_IDS = 500;
+
+export async function GET(req: NextRequest) {
+  try {
+    await getBrowserSessionUser(req);
+
+    const raw = new URL(req.url).searchParams.get("ids") ?? "";
+    const ids = raw
+      .split(",")
+      .map((s) => s.trim())
+      .filter(Boolean);
+    if (ids.length === 0) {
+      return NextResponse.json({ error: "ids is required" }, { status: 400 });
+    }
+    if (ids.length > MAX_IDS) {
+      return NextResponse.json(
+        { error: `ids may contain at most ${MAX_IDS} entries` },
+        { status: 400 },
+      );
+    }
+
+    return NextResponse.json(await getAssistantCounts(ids));
+  } catch (err) {
+    const message = err instanceof Error ? err.message : "Counts failed";
+    const status = (err as Error & { status?: number }).status || 500;
+    return NextResponse.json({ error: message }, { status });
+  }
+}
diff --git a/src/app/api/v1/quotes/assistant/tick/route.test.ts b/src/app/api/v1/quotes/assistant/tick/route.test.ts
new file mode 100644
index 0000000..f328f29
--- /dev/null
+++ b/src/app/api/v1/quotes/assistant/tick/route.test.ts
@@ -0,0 +1,55 @@
+import { describe, it, expect, beforeEach, afterEach, vi } from "vitest";
+import { NextRequest } from "next/server";
+
+const runAssistantTick = vi.fn();
+vi.mock("@/lib/server/quote-assistant-service", () => ({
+  runAssistantTick: (...a: unknown[]) => runAssistantTick(...a),
+}));
+
+import { POST } from "./route";
+
+function makeReq(token?: string) {
+  return new NextRequest("http://localhost/api/v1/quotes/assistant/tick", {
+    method: "POST",
+    headers: token ? { authorization: `Bearer ${token}` } : {},
+  });
+}
+
+let prevKey: string | undefined;
+beforeEach(() => {
+  vi.clearAllMocks();
+  prevKey = process.env.AGENT_API_KEY;
+  process.env.AGENT_API_KEY = "good-key";
+});
+afterEach(() => {
+  if (prevKey === undefined) delete process.env.AGENT_API_KEY;
+  else process.env.AGENT_API_KEY = prevKey;
+});
+
+describe("POST /api/v1/quotes/assistant/tick", () => {
+  it("401s without a key", async () => {
+    const res = await POST(makeReq());
+    expect(res.status).toBe(401);
+    expect(runAssistantTick).not.toHaveBeenCalled();
+  });
+
+  it("401s with a wrong key", async () => {
+    const res = await POST(makeReq("bad-key"));
+    expect(res.status).toBe(401);
+    expect(runAssistantTick).not.toHaveBeenCalled();
+  });
+
+  it("returns the tick result for a good key", async () => {
+    runAssistantTick.mockResolvedValue({ ran: false, reason: "not_due" });
+    const res = await POST(makeReq("good-key"));
+    expect(res.status).toBe(200);
+    expect(await res.json()).toEqual({ ran: false, reason: "not_due" });
+  });
+
+  it("500s when the tick throws", async () => {
+    runAssistantTick.mockRejectedValue(new Error("boom"));
+    const res = await POST(makeReq("good-key"));
+    expect(res.status).toBe(500);
+    expect(await res.json()).toEqual({ error: "boom" });
+  });
+});
diff --git a/src/app/api/v1/quotes/assistant/tick/route.ts b/src/app/api/v1/quotes/assistant/tick/route.ts
new file mode 100644
index 0000000..952e0f0
--- /dev/null
+++ b/src/app/api/v1/quotes/assistant/tick/route.ts
@@ -0,0 +1,30 @@
+import { NextRequest, NextResponse } from "next/server";
+import { assertAgentAuth } from "@/lib/server/agent-auth";
+import { runAssistantTick } from "@/lib/server/quote-assistant-service";
+
+/**
+ * POST /api/v1/quotes/assistant/tick
+ *
+ * Scheduled entry point for the AI quote assistant. n8n calls this every
+ * 5 minutes; the service itself decides whether anything is due (AI and
+ * the assistant switched on, configured interval elapsed).
+ *
+ * Auth: `assertAgentAuth` (Bearer `AGENT_API_KEY`).
+ *
+ * Response: the `runAssistantTick` result, e.g.
+ *   { ran: false, reason: "disabled" | "not_due" } or { ran: true, summary }
+ */
+export const runtime = "nodejs";
+export const dynamic = "force-dynamic";
+
+export async function POST(req: NextRequest) {
+  try {
+    assertAgentAuth(req);
+    const result = await runAssistantTick();
+    return NextResponse.json(result);
+  } catch (err) {
+    const message = err instanceof Error ? err.message : "Assistant tick failed";
+    const status = (err as Error & { status?: number }).status || 500;
+    return NextResponse.json({ error: message }, { status });
+  }
+}
diff --git a/src/lib/server/giellie-tool-policy.test.ts b/src/lib/server/giellie-tool-policy.test.ts
index 50906e8..b810b74 100644
--- a/src/lib/server/giellie-tool-policy.test.ts
+++ b/src/lib/server/giellie-tool-policy.test.ts
@@ -94,6 +94,10 @@ describe("classifyTool", () => {
     expect(classifyTool("stock_purchases.next_number")).toBe("write");
   });
 
+  it("treats quotes.assistant_fill as write (AI-spending, writes lines)", () => {
+    expect(classifyTool("quotes.assistant_fill")).toBe("write");
+  });
+
   it("default-denies (write) unknown tools", () => {
     expect(classifyTool("brand_new.tool")).toBe("write");
   });