feat(sdk-playground): reflect SDK-owned memory block in debug view

Update the playground to display the current deduplicated <supermemory>
replacement block produced by the SDK middleware instead of a browser-side
seen-facts delta. Add memory-dedupe helper and ignore local tsbuildinfo.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

apps/sdk-playground/src/lib/context-api.ts

@@ -3,6 +3,7 @@ import {
 	type MiddlewareRuntimeConfig,
 	normalizeMiddlewareConfig,
 } from "./middleware-config"
+import { dedupeProfileForMode } from "./memory-dedupe"
 
 export interface MemoryDebugEntry {
 	type:
@@ -91,17 +92,6 @@ function summarizeProfile(profile: ContainerContext["profile"]) {
 	}
 }
 
-function selectProfileForMode(
-	profile: ContainerContext["profile"],
-	mode: "profile" | "query" | "full",
-): ContainerContext["profile"] {
-	return {
-		static: mode === "query" ? [] : profile.static,
-		dynamic: mode === "query" ? [] : profile.dynamic,
-		searchResults: mode === "profile" ? [] : profile.searchResults,
-	}
-}
-
 function buildContextPreview(
 	profile: ContainerContext["profile"],
 	mode: "profile" | "query" | "full",
@@ -182,7 +172,10 @@ export async function fetchContainerContext(
 	if (!apiKey) throw new Error("Supermemory API key is required")
 
 	const client = getSupermemoryClient(apiKey)
-	const profile = await fetchProfileContext(client, containerTag, query)
+	const profile = dedupeProfileForMode(
+		query ? "full" : "profile",
+		await fetchProfileContext(client, containerTag, query),
+	)
 
 	const docsResponse = await client.post<{
 		documents?: unknown[]
@@ -246,7 +239,7 @@ export async function buildMiddlewareMemoryDebug(
 			query,
 			signal,
 		)
-		const selectedProfile = selectProfileForMode(profile, memoryMode)
+		const selectedProfile = dedupeProfileForMode(memoryMode, profile)
 		const summary = summarizeProfile(selectedProfile)
 
 		return [
@@ -276,6 +269,12 @@ export async function buildMiddlewareMemoryDebug(
 				type: "context_preview",
 				label: "Reconstructed context preview (not middleware capture)",
 				preview: buildContextPreview(selectedProfile, memoryMode, query),
+				detail: {
+					totalFacts:
+						summary.staticCount +
+						summary.dynamicCount +
+						summary.searchResultCount,
+				},
 			},
 			config.addMemory === "always"
 				? {

apps/sdk-playground/src/lib/memory-dedupe.ts

@@ -0,0 +1,76 @@
+import type { ContainerContext } from "./context-api"
+
+type ProfileSlice = ContainerContext["profile"]
+
+/** Normalize a fact for exact comparison within retrieved context. */
+export function normalizeFactKey(text: string): string {
+	return text
+		.trim()
+		.replace(/^\[recent\]\s*/i, "")
+		.replace(/^\[\d{4}-\d{2}-\d{2}\]\s*/, "")
+		.trim()
+		.replace(/\s+/g, " ")
+		.toLowerCase()
+}
+
+function memoryText(item: unknown): string {
+	if (typeof item === "string") return item
+	if (item && typeof item === "object") {
+		const record = item as Record<string, unknown>
+		if (typeof record.memory === "string") return record.memory
+		if (typeof record.content === "string") return record.content
+		if (typeof record.chunk === "string") return record.chunk
+	}
+	return ""
+}
+
+/**
+ * Deduplicate static → dynamic → search (same priority as @supermemory/tools middleware).
+ */
+export function dedupeProfileForMode(
+	mode: "profile" | "query" | "full",
+	profile: ProfileSlice,
+): ProfileSlice {
+	const injectsProfile = mode !== "query"
+	const staticItems = injectsProfile ? profile.static : []
+	const dynamicItems = injectsProfile ? profile.dynamic : []
+	const searchItems = profile.searchResults
+
+	const seen = new Set<string>()
+	const staticOut: unknown[] = []
+	const dynamicOut: unknown[] = []
+	const searchOut: unknown[] = []
+
+	for (const item of staticItems) {
+		const text = memoryText(item).trim()
+		if (!text) continue
+		const key = normalizeFactKey(text)
+		if (!key || seen.has(key)) continue
+		seen.add(key)
+		staticOut.push(item)
+	}
+
+	for (const item of dynamicItems) {
+		const text = memoryText(item).trim()
+		if (!text) continue
+		const key = normalizeFactKey(text)
+		if (!key || seen.has(key)) continue
+		seen.add(key)
+		dynamicOut.push(item)
+	}
+
+	for (const item of searchItems) {
+		const text = memoryText(item).trim()
+		if (!text) continue
+		const key = normalizeFactKey(text)
+		if (!key || seen.has(key)) continue
+		seen.add(key)
+		searchOut.push(item)
+	}
+
+	return {
+		static: staticOut,
+		dynamic: dynamicOut,
+		searchResults: mode === "profile" ? [] : searchOut,
+	}
+}