diff --git a/duck_core/api.py b/duck_core/api.py
index dfbd252..5335344 100644
--- a/duck_core/api.py
+++ b/duck_core/api.py
@@ -6,7 +6,7 @@ from typing import Any
 
 import uvicorn
 from fastapi import FastAPI, HTTPException, Request
-from fastapi.responses import HTMLResponse, StreamingResponse
+from fastapi.responses import FileResponse, HTMLResponse, StreamingResponse
 from fastapi.staticfiles import StaticFiles
 from fastapi.templating import Jinja2Templates
 from pydantic import BaseModel
@@ -17,6 +17,7 @@ from duck_core.conversations.store import ConversationStore
 from duck_core.events.store import EventStore
 from duck_core.experience.recorder import ExperienceRecorder
 from duck_core.memory.vector_memory import EmbeddingsUnavailableError, VectorMemory
+from duck_core.memory.store import MemoryStore
 from duck_core.model_client import ModelClient
 from duck_core.runtime_loop import RuntimeLoop
 from duck_core.skills.registry import SkillRegistry
@@ -46,6 +47,15 @@ class PasswordRequest(BaseModel):
     password: str
 
 
+class MemoryRequest(BaseModel):
+    text: str
+    workspace: str | None = None
+    conversation_id: str | None = None
+    memory_type: str = "note"
+    importance: float = 0.5
+    metadata: dict[str, Any] = {}
+
+
 def create_app() -> FastAPI:
     get_settings.cache_clear()
     settings = get_settings()
@@ -69,6 +79,7 @@ def create_app() -> FastAPI:
     skills = SkillRegistry("skills")
     experience = ExperienceRecorder(settings.db_path)
     memory = VectorMemory(settings.qdrant_url, embeddings_base_url=None)
+    memory_store = MemoryStore(settings.db_path)
 
     @app.on_event("startup")
     async def startup() -> None:
@@ -77,11 +88,16 @@ def create_app() -> FastAPI:
         await conversations.init()
         await approvals.init()
         await experience.init()
+        await memory_store.init()
 
     @app.get("/", response_class=HTMLResponse)
     async def index(request: Request) -> HTMLResponse:
         return templates.TemplateResponse(request, "index.html")
 
+    @app.get("/favicon.ico", include_in_schema=False)
+    async def favicon() -> FileResponse:
+        return FileResponse("favicon.ico")
+
     @app.get("/approvals", response_class=HTMLResponse)
     async def approvals_page(request: Request) -> HTMLResponse:
         return templates.TemplateResponse(request, "approvals.html")
@@ -796,8 +812,34 @@ def create_app() -> FastAPI:
             raise HTTPException(status_code=404, detail="Experience record not found")
         return record.model_dump()
 
+    @app.post("/v1/memory")
+    async def add_memory(body: MemoryRequest) -> dict[str, Any]:
+        if not body.text.strip():
+            raise HTTPException(status_code=400, detail="Memory text is required")
+        record = await memory_store.add(
+            text=body.text,
+            workspace=body.workspace or settings.workspace,
+            conversation_id=body.conversation_id,
+            memory_type=body.memory_type,
+            importance=body.importance,
+            metadata=body.metadata,
+        )
+        return record.model_dump()
+
+    @app.get("/v1/memory")
+    async def list_memory(
+        workspace: str | None = None, limit: int = 50
+    ) -> dict[str, Any]:
+        records = await memory_store.list(workspace=workspace, limit=limit)
+        return {"results": [record.model_dump() for record in records]}
+
     @app.get("/v1/memory/search")
-    async def search_memory(q: str) -> dict[str, Any]:
+    async def search_memory(
+        q: str, workspace: str | None = None, limit: int = 20
+    ) -> dict[str, Any]:
+        local_results = await memory_store.search(q, workspace=workspace, limit=limit)
+        if local_results:
+            return {"results": [record.model_dump() for record in local_results]}
         try:
             return {"results": await memory.search_memory(q)}
         except EmbeddingsUnavailableError as exc:
diff --git a/duck_core/memory/store.py b/duck_core/memory/store.py
new file mode 100644
index 0000000..6e97b91
--- /dev/null
+++ b/duck_core/memory/store.py
@@ -0,0 +1,179 @@
+from __future__ import annotations
+
+import json
+from pathlib import Path
+from typing import Any
+from uuid import uuid4
+
+import aiosqlite
+from pydantic import BaseModel, Field
+
+from duck_core.tasks.store import utc_now
+
+
+class MemoryRecord(BaseModel):
+    id: int | None = None
+    memory_id: str
+    text: str
+    workspace: str
+    conversation_id: str | None = None
+    memory_type: str = "note"
+    importance: float = 0.5
+    metadata: dict[str, Any] = Field(default_factory=dict)
+    created_at: str
+    updated_at: str
+
+
+class MemoryStore:
+    def __init__(self, db_path: str):
+        self.db_path = Path(db_path)
+
+    async def init(self) -> None:
+        self.db_path.parent.mkdir(parents=True, exist_ok=True)
+        async with aiosqlite.connect(self.db_path) as db:
+            await db.execute(
+                """
+                create table if not exists memories (
+                  id integer primary key autoincrement,
+                  memory_id text not null unique,
+                  text text not null,
+                  workspace text not null,
+                  conversation_id text,
+                  memory_type text not null,
+                  importance real not null,
+                  metadata_json text not null,
+                  created_at text not null,
+                  updated_at text not null
+                )
+                """
+            )
+            await db.execute(
+                """
+                create index if not exists idx_memories_workspace_created
+                on memories(workspace, created_at)
+                """
+            )
+            await db.commit()
+
+    async def add(
+        self,
+        text: str,
+        workspace: str,
+        conversation_id: str | None = None,
+        memory_type: str = "note",
+        importance: float = 0.5,
+        metadata: dict[str, Any] | None = None,
+    ) -> MemoryRecord:
+        await self.init()
+        now = utc_now()
+        memory_id = f"mem_{uuid4().hex[:12]}"
+        clean_text = " ".join(text.strip().split())
+        async with aiosqlite.connect(self.db_path) as db:
+            cursor = await db.execute(
+                """
+                insert into memories(
+                  memory_id, text, workspace, conversation_id, memory_type,
+                  importance, metadata_json, created_at, updated_at
+                ) values (?, ?, ?, ?, ?, ?, ?, ?, ?)
+                """,
+                (
+                    memory_id,
+                    clean_text,
+                    workspace,
+                    conversation_id,
+                    memory_type or "note",
+                    max(0.0, min(float(importance), 1.0)),
+                    json.dumps(metadata or {}, ensure_ascii=False),
+                    now,
+                    now,
+                ),
+            )
+            await db.commit()
+            row_id = cursor.lastrowid
+        return MemoryRecord(
+            id=row_id,
+            memory_id=memory_id,
+            text=clean_text,
+            workspace=workspace,
+            conversation_id=conversation_id,
+            memory_type=memory_type or "note",
+            importance=max(0.0, min(float(importance), 1.0)),
+            metadata=metadata or {},
+            created_at=now,
+            updated_at=now,
+        )
+
+    async def list(
+        self, workspace: str | None = None, limit: int = 50
+    ) -> list[MemoryRecord]:
+        await self.init()
+        bounded_limit = min(max(limit, 1), 200)
+        async with aiosqlite.connect(self.db_path) as db:
+            db.row_factory = aiosqlite.Row
+            if workspace:
+                cursor = await db.execute(
+                    """
+                    select * from memories
+                    where workspace = ?
+                    order by importance desc, created_at desc
+                    limit ?
+                    """,
+                    (workspace, bounded_limit),
+                )
+            else:
+                cursor = await db.execute(
+                    """
+                    select * from memories
+                    order by importance desc, created_at desc
+                    limit ?
+                    """,
+                    (bounded_limit,),
+                )
+            rows = await cursor.fetchall()
+        return [self._row_to_record(row) for row in rows]
+
+    async def search(
+        self, query: str, workspace: str | None = None, limit: int = 20
+    ) -> list[MemoryRecord]:
+        await self.init()
+        bounded_limit = min(max(limit, 1), 100)
+        pattern = f"%{query.strip()}%"
+        async with aiosqlite.connect(self.db_path) as db:
+            db.row_factory = aiosqlite.Row
+            if workspace:
+                cursor = await db.execute(
+                    """
+                    select * from memories
+                    where workspace = ?
+                      and (text like ? or memory_type like ? or metadata_json like ?)
+                    order by importance desc, created_at desc
+                    limit ?
+                    """,
+                    (workspace, pattern, pattern, pattern, bounded_limit),
+                )
+            else:
+                cursor = await db.execute(
+                    """
+                    select * from memories
+                    where text like ? or memory_type like ? or metadata_json like ?
+                    order by importance desc, created_at desc
+                    limit ?
+                    """,
+                    (pattern, pattern, pattern, bounded_limit),
+                )
+            rows = await cursor.fetchall()
+        return [self._row_to_record(row) for row in rows]
+
+    def _row_to_record(self, row: aiosqlite.Row) -> MemoryRecord:
+        return MemoryRecord(
+            id=row["id"],
+            memory_id=row["memory_id"],
+            text=row["text"],
+            workspace=row["workspace"],
+            conversation_id=row["conversation_id"],
+            memory_type=row["memory_type"],
+            importance=float(row["importance"]),
+            metadata=json.loads(row["metadata_json"]),
+            created_at=row["created_at"],
+            updated_at=row["updated_at"],
+        )
diff --git a/duck_core/web/static/app.js b/duck_core/web/static/app.js
index 960e849..ccbc9ed 100644
--- a/duck_core/web/static/app.js
+++ b/duck_core/web/static/app.js
@@ -3,6 +3,7 @@ const state = {
   messages: [],
   currentConversationId: "",
   conversations: [],
+  auditFilter: "all",
 };
 
 async function jsonFetch(url, options) {
@@ -372,6 +373,81 @@ async function refreshEvents(taskId) {
   return events;
 }
 
+async function refreshCommandAudit() {
+  const container = document.querySelector("#command-audit");
+  if (!container) return;
+  const events = await jsonFetch("/v1/audit/commands?limit=20");
+  container.innerHTML = "";
+  if (!events.length) {
+    const empty = document.createElement("p");
+    empty.className = "compact-empty";
+    empty.textContent = "No command events yet.";
+    container.append(empty);
+    return;
+  }
+  for (const event of events) {
+    const payload = event.payload || {};
+    const item = document.createElement("article");
+    item.className = "audit-item";
+
+    const command = document.createElement("code");
+    command.textContent = payload.command || "shell command";
+    const meta = document.createElement("div");
+    meta.className = "audit-meta";
+    meta.append(
+      auditBadge(payload.action_type || "shell_command"),
+      auditBadge(payload.risk_level || "unknown", payload.risk_level),
+      auditBadge(payload.ok ? "ok" : "failed", payload.ok ? "ok" : "bad"),
+    );
+    const detail = document.createElement("span");
+    detail.textContent = [
+      payload.approved ? "approved" : "direct",
+      payload.blocked ? "blocked" : "",
+      payload.returncode !== null && payload.returncode !== undefined ? `exit ${payload.returncode}` : "",
+    ].filter(Boolean).join(" · ");
+
+    item.append(command, meta, detail);
+    container.append(item);
+  }
+}
+
+function auditBadge(text, tone = "") {
+  const badge = document.createElement("span");
+  badge.className = "audit-badge";
+  badge.textContent = text;
+  if (tone) badge.dataset.tone = tone;
+  return badge;
+}
+
+async function refreshMemory(query = "") {
+  const container = document.querySelector("#memory-list");
+  if (!container) return;
+  const workspace = document.querySelector("#workspace")?.value || "./workspace";
+  const url = query.trim()
+    ? `/v1/memory/search?q=${encodeURIComponent(query.trim())}&workspace=${encodeURIComponent(workspace)}`
+    : `/v1/memory?workspace=${encodeURIComponent(workspace)}&limit=20`;
+  const payload = await jsonFetch(url);
+  const results = payload.results || [];
+  container.innerHTML = "";
+  if (!results.length) {
+    const empty = document.createElement("p");
+    empty.className = "compact-empty";
+    empty.textContent = query.trim() ? "No matching memories." : "No workspace memories.";
+    container.append(empty);
+    return;
+  }
+  for (const memory of results) {
+    const item = document.createElement("article");
+    item.className = "memory-item";
+    const text = document.createElement("p");
+    text.textContent = memory.text;
+    const meta = document.createElement("span");
+    meta.textContent = `${memory.memory_type || "note"} · ${Number(memory.importance || 0).toFixed(1)} · ${memory.created_at || ""}`;
+    item.append(text, meta);
+    container.append(item);
+  }
+}
+
 function summarizeEvent(payload) {
   if (!payload || typeof payload !== "object") return "";
   if (payload.role && payload.latency_ms) {
@@ -496,6 +572,8 @@ async function handleAssistantStreamEvent(pending, name, data, context) {
     setStatus("#task-status", data.task_id, data.status === "completed" ? "ok" : "warn");
     finishInlineReasoning(pending, data.reasoning_content);
     await refreshEvents(data.task_id);
+    await refreshCommandAudit();
+    await refreshMemory();
     await refreshConversations();
     return;
   }
@@ -592,6 +670,7 @@ async function selectConversation(conversationId) {
     for (const message of conversation.messages) addStoredMessage(message);
   }
   await refreshConversations();
+  await refreshMemory();
 }
 
 async function createNewConversation() {
@@ -677,6 +756,34 @@ function bindChat() {
   document.querySelector("#reload-chat")?.addEventListener("click", () => {
     if (state.currentConversationId) selectConversation(state.currentConversationId).catch(console.error);
   });
+  document.querySelector("#refresh-audit")?.addEventListener("click", () => {
+    refreshCommandAudit().catch(console.error);
+  });
+  document.querySelector("#refresh-memory")?.addEventListener("click", () => {
+    refreshMemory().catch(console.error);
+  });
+  document.querySelector("#memory-search-button")?.addEventListener("click", () => {
+    refreshMemory(document.querySelector("#memory-search-inline")?.value || "").catch(console.error);
+  });
+  document.querySelector("#memory-form")?.addEventListener("submit", async (event) => {
+    event.preventDefault();
+    const input = document.querySelector("#memory-text");
+    const text = input?.value.trim() || "";
+    if (!text) return;
+    await jsonFetch("/v1/memory", {
+      method: "POST",
+      headers: {"Content-Type": "application/json"},
+      body: JSON.stringify({
+        text,
+        workspace: document.querySelector("#workspace")?.value || "./workspace",
+        conversation_id: state.currentConversationId || null,
+        memory_type: "note",
+        importance: 0.6,
+      }),
+    });
+    input.value = "";
+    await refreshMemory();
+  });
   document.querySelector("#conversation-list")?.addEventListener("click", (event) => {
     const item = event.target.closest("[data-conversation-id]");
     if (item) selectConversation(item.dataset.conversationId).catch(console.error);
@@ -798,6 +905,8 @@ document.querySelector("#memory-search")?.addEventListener("click", async () =>
 bindChat();
 checkRuntime();
 loadSimplePages().catch(console.error);
+refreshCommandAudit().catch(console.error);
+refreshMemory().catch(console.error);
 refreshConversations().then(() => {
   if (state.conversations[0]) {
     return selectConversation(state.conversations[0].conversation_id);
diff --git a/duck_core/web/static/style.css b/duck_core/web/static/style.css
index 76e1a11..2c0394d 100644
--- a/duck_core/web/static/style.css
+++ b/duck_core/web/static/style.css
@@ -683,7 +683,7 @@ dd {
 
 .debug-panel {
   display: grid;
-  grid-template-columns: minmax(0, 1fr);
+  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.8fr) minmax(280px, 0.85fr);
   gap: 16px;
   min-height: 180px;
 }
@@ -701,6 +701,30 @@ dd {
   font-size: 13px;
 }
 
+.debug-heading {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 10px;
+  margin-bottom: 10px;
+}
+
+.debug-heading h3 {
+  margin: 0;
+}
+
+.mini-button,
+.memory-form button,
+.memory-search-row button {
+  border: 0;
+  border-radius: 7px;
+  padding: 7px 9px;
+  background: #edf2f7;
+  color: #1f2937;
+  font-size: 12px;
+  font-weight: 800;
+}
+
 pre,
 #events {
   margin: 0;
@@ -728,6 +752,97 @@ pre,
   color: var(--muted);
 }
 
+.audit-list,
+.memory-list {
+  display: grid;
+  gap: 8px;
+  max-height: 170px;
+  overflow: auto;
+}
+
+.audit-item,
+.memory-item {
+  display: grid;
+  gap: 6px;
+  padding: 9px;
+  background: #f8fafc;
+  border: 1px solid #dbe3ee;
+  border-radius: 8px;
+}
+
+.audit-item code {
+  min-width: 0;
+  overflow: hidden;
+  color: #0f172a;
+  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
+  font-size: 12px;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.audit-meta {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 5px;
+}
+
+.audit-badge {
+  padding: 2px 7px;
+  border-radius: 999px;
+  background: #e2e8f0;
+  color: #475569;
+  font-size: 11px;
+  font-weight: 800;
+}
+
+.audit-badge[data-tone="low"],
+.audit-badge[data-tone="ok"] {
+  background: #dcfce7;
+  color: #166534;
+}
+
+.audit-badge[data-tone="medium"],
+.audit-badge[data-tone="high"] {
+  background: #fef3c7;
+  color: #854d0e;
+}
+
+.audit-badge[data-tone="critical"],
+.audit-badge[data-tone="bad"] {
+  background: #fee2e2;
+  color: #991b1b;
+}
+
+.audit-item > span,
+.memory-item span,
+.compact-empty {
+  margin: 0;
+  color: var(--muted);
+  font-size: 11px;
+}
+
+.memory-form,
+.memory-search-row {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) auto;
+  gap: 8px;
+  margin-bottom: 8px;
+}
+
+.memory-form input,
+.memory-search-row input {
+  min-width: 0;
+  padding: 8px 9px;
+  font-size: 12px;
+}
+
+.memory-item p {
+  margin: 0;
+  color: #0f172a;
+  font-size: 12px;
+  line-height: 1.35;
+}
+
 .composer {
   display: grid;
   gap: 10px;
@@ -789,7 +904,6 @@ pre,
   }
 
   .chat-header,
-  .debug-panel,
   .composer-actions {
     grid-template-columns: 1fr;
     flex-direction: column;
@@ -798,5 +912,6 @@ pre,
 
   .debug-panel {
     display: grid;
+    grid-template-columns: 1fr;
   }
 }
diff --git a/duck_core/web/templates/index.html b/duck_core/web/templates/index.html
index 0529cad..a6fb0c2 100644
--- a/duck_core/web/templates/index.html
+++ b/duck_core/web/templates/index.html
@@ -91,6 +91,28 @@
             <h3>Event Timeline</h3>
             <ol id="events"></ol>
           </div>
+          <div class="debug-column audit-column">
+            <div class="debug-heading">
+              <h3>Command Audit</h3>
+              <button id="refresh-audit" class="mini-button" type="button">Refresh</button>
+            </div>
+            <div id="command-audit" class="audit-list"></div>
+          </div>
+          <div class="debug-column memory-column">
+            <div class="debug-heading">
+              <h3>Workspace Memory</h3>
+              <button id="refresh-memory" class="mini-button" type="button">Refresh</button>
+            </div>
+            <form id="memory-form" class="memory-form">
+              <input id="memory-text" placeholder="Add memory for this workspace" autocomplete="off">
+              <button type="submit">Add</button>
+            </form>
+            <div class="memory-search-row">
+              <input id="memory-search-inline" placeholder="Search memory" autocomplete="off">
+              <button id="memory-search-button" class="mini-button" type="button">Search</button>
+            </div>
+            <div id="memory-list" class="memory-list"></div>
+          </div>
         </section>
 
         <form id="composer" class="composer">
diff --git a/tests/smoke/test_memory_store.py b/tests/smoke/test_memory_store.py
new file mode 100644
index 0000000..6f22434
--- /dev/null
+++ b/tests/smoke/test_memory_store.py
@@ -0,0 +1,61 @@
+from fastapi.testclient import TestClient
+
+from duck_core.api import create_app
+from duck_core.memory.store import MemoryStore
+
+
+def test_memory_api_stores_workspace_scoped_notes(tmp_path, monkeypatch):
+    monkeypatch.setenv("DUCK_DB_PATH", str(tmp_path / "duck.sqlite3"))
+    client = TestClient(create_app())
+
+    first = client.post(
+        "/v1/memory",
+        json={
+            "text": "User prefers concise Russian answers.",
+            "workspace": "/tmp/project-a",
+            "conversation_id": "chat_a",
+            "memory_type": "preference",
+            "importance": 0.8,
+        },
+    ).json()
+    client.post(
+        "/v1/memory",
+        json={
+            "text": "Different workspace note.",
+            "workspace": "/tmp/project-b",
+            "conversation_id": "chat_b",
+        },
+    )
+
+    listed = client.get("/v1/memory", params={"workspace": "/tmp/project-a"}).json()
+    search = client.get(
+        "/v1/memory/search",
+        params={"q": "concise Russian", "workspace": "/tmp/project-a"},
+    ).json()
+
+    assert first["memory_id"].startswith("mem_")
+    assert [item["text"] for item in listed["results"]] == [
+        "User prefers concise Russian answers."
+    ]
+    assert search["results"][0]["memory_id"] == first["memory_id"]
+    assert search["results"][0]["memory_type"] == "preference"
+    assert "Different workspace note." not in str(search)
+
+
+async def test_memory_store_searches_text_and_metadata(tmp_path):
+    store = MemoryStore(str(tmp_path / "duck.sqlite3"))
+    await store.init()
+    await store.add(
+        text="RX580 should use Vulkan builds.",
+        workspace="/tmp/duck",
+        conversation_id="chat_runtime",
+        memory_type="fact",
+        importance=0.9,
+        metadata={"topic": "gpu"},
+    )
+
+    results = await store.search("vulkan", workspace="/tmp/duck")
+
+    assert len(results) == 1
+    assert results[0].workspace == "/tmp/duck"
+    assert results[0].metadata["topic"] == "gpu"