feat(notebook): memory documents panel and drop evidenceText

src/agent-harness/answer-context.test.ts

@@ -152,7 +152,6 @@ function makeLedger(): EvidenceLedgerSnapshot {
         data: Buffer.from(revenuePng).toString("base64"),
       },
     ],
-    evidenceText: [],
     stopReasons: [],
     failureReasons: [],
     decisionTraces: [],

src/agent-harness/ledger.ts

@@ -20,7 +20,6 @@ type MutableLedger = {
   chunks: EvidenceChunk[]
   assets: EvidenceAsset[]
   evidence: EvidencePart[]
-  evidenceText: string[]
   stopReasons: string[]
   failureReasons: string[]
   decisionTraces: unknown[]
@@ -57,7 +56,6 @@ export function createEvidenceLedger() {
     chunks: [],
     assets: [],
     evidence: [],
-    evidenceText: [],
     stopReasons: [],
     failureReasons: [],
     decisionTraces: [],
@@ -70,9 +68,6 @@ export function createEvidenceLedger() {
 
       ledger.evidence.push(...readQueryEvidence(response))
 
-      const evidenceText = response.evidenceText?.trim()
-      if (evidenceText) ledger.evidenceText.push(evidenceText)
-
       const stopReason = response.stopReason?.trim()
       if (stopReason) ledger.stopReasons.push(stopReason)
 
@@ -193,11 +188,7 @@ export function createEvidenceLedger() {
     },
 
     hasEvidence(): boolean {
-      return (
-        ledger.chunks.length > 0 ||
-        ledger.evidence.length > 0 ||
-        ledger.evidenceText.length > 0
-      )
+      return ledger.chunks.length > 0 || ledger.evidence.length > 0
     },
 
     snapshot(): EvidenceLedgerSnapshot {
@@ -607,7 +598,6 @@ function snapshot(ledger: MutableLedger): EvidenceLedgerSnapshot {
     chunks: [...ledger.chunks],
     assets: [...ledger.assets],
     evidence: [...ledger.evidence],
-    evidenceText: [...ledger.evidenceText],
     stopReasons: [...ledger.stopReasons],
     failureReasons: [...ledger.failureReasons],
     decisionTraces: [...ledger.decisionTraces],

src/agent-harness/types.ts

@@ -266,7 +266,6 @@ export type EvidenceLedgerSnapshot = {
   readonly chunks: readonly EvidenceChunk[]
   readonly assets: readonly EvidenceAsset[]
   readonly evidence: readonly EvidencePart[]
-  readonly evidenceText: readonly string[]
   readonly stopReasons: readonly string[]
   readonly failureReasons: readonly string[]
   readonly decisionTraces: readonly unknown[]

src/app/api/memory-areas/[areaId]/route.ts

@@ -0,0 +1,17 @@
+import { NextResponse } from "next/server"
+
+import { notebookRequestContext } from "@/domains/workspace/request-context"
+import { getMemoryAreaDocument } from "@/integrations/memento/client"
+import { withApiErrorResponse } from "@/lib/api-error-response"
+
+export async function GET(
+  _request: Request,
+  context: { params: Promise<{ areaId: string }> },
+): Promise<NextResponse> {
+  return withApiErrorResponse("memory-areas:read", async () => {
+    const { areaId } = await context.params
+    const { workspace } = await notebookRequestContext.getAuthenticatedWithClient()
+    const document = await getMemoryAreaDocument(workspace.id, areaId)
+    return NextResponse.json(document)
+  })
+}

src/app/api/memory-areas/route.ts

@@ -0,0 +1,13 @@
+import { NextResponse } from "next/server"
+
+import { listMemoryAreas } from "@/integrations/memento/client"
+import { withApiErrorResponse } from "@/lib/api-error-response"
+import { notebookRequestContext } from "@/domains/workspace/request-context"
+
+export async function GET(): Promise<NextResponse> {
+  return withApiErrorResponse("memory-areas:list", async () => {
+    const { workspace } = await notebookRequestContext.getAuthenticatedWithClient()
+    const areas = await listMemoryAreas(workspace.id)
+    return NextResponse.json({ areas })
+  })
+}

src/app/api/memory-items/[itemId]/route.ts

@@ -0,0 +1,17 @@
+import { NextResponse } from "next/server"
+
+import { notebookRequestContext } from "@/domains/workspace/request-context"
+import { deleteMemoryItem } from "@/integrations/memento/client"
+import { withApiErrorResponse } from "@/lib/api-error-response"
+
+export async function DELETE(
+  _request: Request,
+  context: { params: Promise<{ itemId: string }> },
+): Promise<NextResponse> {
+  return withApiErrorResponse("memory-items:delete", async () => {
+    const { itemId } = await context.params
+    const { workspace } = await notebookRequestContext.getAuthenticatedWithClient()
+    await deleteMemoryItem(workspace.id, itemId)
+    return NextResponse.json({ deleted: true })
+  })
+}

src/components/chat-composer.test.ts

@@ -48,7 +48,7 @@ describe("ChatComposer", () => {
 
     const tooltip = await screen.findByRole("tooltip");
     expect(tooltip.textContent).toContain(
-      "Deep search plans document selection and navigation",
+      "Deep search turns on agent retrieval",
     );
   });
 

src/components/chat-composer.tsx

@@ -214,8 +214,8 @@ export function ChatComposer({
                     </label>
                   </TooltipTrigger>
                   <TooltipContent className="max-w-64">
-                    Deep search plans document selection and navigation for
-                    more thorough answers. Turn off for faster classic search.
+                    Deep search turns on agent retrieval. Turn it off for
+                    classic search without an agent.
                   </TooltipContent>
                 </Tooltip>
               </TooltipProvider>

src/components/memory-documents.tsx

@@ -0,0 +1,94 @@
+"use client"
+
+import { useEffect, useState } from "react"
+import type { ReactElement } from "react"
+
+type MemoryArea = {
+  readonly id: string
+  readonly title: string
+  readonly summaryStatus: "current" | "pending"
+}
+
+type MemoryMember = {
+  readonly itemId: string
+  readonly kind: string
+  readonly status: string
+  readonly text: string
+}
+
+type MemoryDocument = {
+  readonly id: string
+  readonly title: string
+  readonly summaryStatus: "current" | "pending"
+  readonly summary: string | null
+  readonly members: readonly MemoryMember[]
+}
+
+export function MemoryDocuments(props: {
+  readonly onBack: () => void
+}): ReactElement {
+  const [areas, setAreas] = useState<readonly MemoryArea[]>([])
+  const [document, setDocument] = useState<MemoryDocument | null>(null)
+
+  useEffect(() => {
+    void fetch("/api/memory-areas")
+      .then((response) => response.json())
+      .then((body: { areas?: readonly MemoryArea[] }) => {
+        setAreas(body.areas ?? [])
+      })
+  }, [])
+
+  async function openArea(areaId: string): Promise<void> {
+    const response = await fetch(`/api/memory-areas/${areaId}`)
+    setDocument((await response.json()) as MemoryDocument)
+  }
+
+  async function deleteItem(itemId: string): Promise<void> {
+    if (!document) return
+    await fetch(`/api/memory-items/${itemId}`, { method: "DELETE" })
+    await openArea(document.id)
+  }
+
+  return (
+    <div className="flex h-full min-h-0 flex-col bg-background">
+      <div className="flex items-center gap-3 border-b border-border px-4 py-3">
+        <button type="button" onClick={props.onBack}>
+          Back
+        </button>
+        <h2 className="text-sm font-semibold">
+          {document?.title ?? "MEMORY.MD"}
+        </h2>
+      </div>
+      {document ? (
+        <div className="min-h-0 flex-1 overflow-y-auto px-4 py-4">
+          {document.summaryStatus === "current" && document.summary ? (
+            <p className="mb-4 text-sm">{document.summary}</p>
+          ) : null}
+          <ul className="flex flex-col gap-4">
+            {document.members.map((member) => (
+              <li key={member.itemId}>
+                <p className="text-xs text-muted-foreground">
+                  {member.kind} {member.status}
+                </p>
+                <p className="text-sm">{member.text}</p>
+                <button type="button" onClick={() => void deleteItem(member.itemId)}>
+                  Delete
+                </button>
+              </li>
+            ))}
+          </ul>
+        </div>
+      ) : (
+        <ul className="min-h-0 flex-1 overflow-y-auto px-4 py-4">
+          {areas.map((area) => (
+            <li key={area.id}>
+              <button type="button" onClick={() => void openArea(area.id)}>
+                {area.title}
+              </button>
+            </li>
+          ))}
+        </ul>
+      )}
+    </div>
+  )
+}

src/components/sources-panel.tsx

@@ -55,6 +55,7 @@ export type SourcesPanelProps = {
   readonly isNarrow?: boolean;
   readonly addingLibrarySourceIds?: readonly string[];
   readonly isLibraryOpen?: boolean;
+  readonly isMemoryOpen?: boolean;
   readonly officialLibrarySources?: readonly OfficialLibrarySourceView[];
   sources: SourceView[];
   onSourceUploaded?: (source: SourceView) => void;
@@ -64,6 +65,7 @@ export type SourcesPanelProps = {
   onArchiveSource?: (sourceId: string) => void;
   onRetrySource?: (sourceId: string) => void;
   onLibraryOpen?: () => void;
+  onMemoryOpen?: () => void;
   folders?: readonly FolderView[];
   currentFolderId?: string | null;
   creatingFolder?: boolean;
@@ -94,6 +96,7 @@ type SourcePageState = {
 export function SourcesPanel({
   isNarrow = false,
   isLibraryOpen = false,
+  isMemoryOpen = false,
   sources = [],
   onSourceUploaded,
   selectedSourceId = null,
@@ -102,6 +105,7 @@ export function SourcesPanel({
   onArchiveSource,
   onRetrySource,
   onLibraryOpen,
+  onMemoryOpen,
   folders = [],
   currentFolderId = null,
   creatingFolder = false,
@@ -386,6 +390,19 @@ export function SourcesPanel({
               <BookOpen className="size-3.5" />
               {isNarrow ? null : "open library"}
             </button>
+            <button
+              type="button"
+              onClick={onMemoryOpen}
+              className={`inline-flex h-8 shrink-0 items-center gap-1.5 rounded-md border border-border/80 bg-background text-[11px] font-semibold text-foreground shadow-xs hover:bg-muted ${
+                isNarrow ? "w-8 justify-center px-0" : "px-2"
+              } ${
+                isMemoryOpen ? "border-primary/40 bg-primary/5 text-primary" : ""
+              }`}
+              aria-label="Open memory documents"
+              title="Open memory documents"
+            >
+              {isNarrow ? "M" : "memory"}
+            </button>
           </div>
           {onOpenFolder ? (
             <FolderBreadcrumb