fix: harden memory envelope sanitization

Co-authored-by: amittell <mittell@me.com>
This commit is contained in:
Peter Steinberger
2026-06-01 09:29:57 +01:00
parent de3ee3daa6
commit 1d4c1ba56d
10 changed files with 454 additions and 115 deletions

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@@ -1,2 +1,2 @@
d2797c078525e0e21dabcbece328425ff1746dfc9eb5187273d00bce8c8af23f plugin-sdk-api-baseline.json
3bda48a83eb5e9374601fd37297c547515701e6b515d80d7baac4d5e515adc65 plugin-sdk-api-baseline.jsonl
63d49032a9b4dc4874a0ca17be73ecc97a2df5d1f47b4e72db34868423370558 plugin-sdk-api-baseline.json
af79f7d711afa0a8563782b8f5cdd7e46b9aea245f5e7ebc464327a8969ed65e plugin-sdk-api-baseline.jsonl

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@@ -2168,6 +2168,38 @@ describe("memory plugin e2e", () => {
vi.resetModules();
}
test("auto-capture stores clean replacement for contaminated legacy duplicate", async () => {
const cleanText = "I prefer Helix for editing code every day.";
const harness = await setupAutoCaptureCursorHarness({
searchResults: [
{
id: "legacy-contaminated",
text: `[Telegram Alice +5m] ${cleanText}`,
vector: [0.1, 0.2, 0.3],
importance: 0.7,
category: "preference",
createdAt: 1,
_distance: 0,
},
],
});
try {
await harness.agentEnd?.(
{
success: true,
messages: [{ role: "user", content: cleanText }],
},
{ sessionKey: "session-legacy-contaminated" },
);
expect(harness.add).toHaveBeenCalledTimes(1);
expect(firstAddedMemory(harness.add).text).toBe(cleanText);
} finally {
await cleanupAutoCaptureCursorHarness();
}
});
test("skips already-processed auto-capture messages by session cursor", async () => {
const harness = await setupAutoCaptureCursorHarness();
@@ -2899,6 +2931,9 @@ describe("memory plugin e2e", () => {
test("looksLikeEnvelopeSludge detects inbound metadata sentinels", () => {
expect(looksLikeEnvelopeSludge("Conversation info (untrusted metadata):")).toBe(true);
expect(looksLikeEnvelopeSludge("Sender (untrusted metadata):")).toBe(true);
expect(looksLikeEnvelopeSludge("Sender (untrusted metadata): Alex\nI prefer dark mode")).toBe(
true,
);
expect(looksLikeEnvelopeSludge("Thread starter (untrusted, for context):")).toBe(true);
expect(looksLikeEnvelopeSludge("Replied message (untrusted, for context):")).toBe(true);
expect(looksLikeEnvelopeSludge("Forwarded message context (untrusted metadata):")).toBe(true);
@@ -2973,6 +3008,9 @@ describe("memory plugin e2e", () => {
expect(looksLikeEnvelopeSludge("Structured object (untrusted metadata):")).toBe(true);
expect(looksLikeEnvelopeSludge("Calendar event (untrusted metadata):")).toBe(true);
expect(looksLikeEnvelopeSludge("Custom plugin label (untrusted metadata):")).toBe(true);
expect(looksLikeEnvelopeSludge(`${"Custom ".repeat(30)}label (untrusted metadata):`)).toBe(
true,
);
expect(
looksLikeEnvelopeSludge("Reply chain of current user message (untrusted, nearest first):"),
).toBe(true);
@@ -3030,39 +3068,39 @@ describe("memory plugin e2e", () => {
});
test("looksLikeEnvelopeSludge does not false-positive on user-typed brackets", () => {
// No elapsed/date marker inside the bracket — should pass through when the
// bracketed label is not a known channel id.
// No elapsed/date marker or group/body-sender signal inside the bracket.
expect(looksLikeEnvelopeSludge("[note] John: hi")).toBe(false);
expect(looksLikeEnvelopeSludge("[1] some footnote")).toBe(false);
expect(looksLikeEnvelopeSludge("[TODO] fix this later")).toBe(false);
expect(looksLikeEnvelopeSludge("[Signal Hill] is my favorite hike")).toBe(false);
expect(looksLikeEnvelopeSludge("[Matrix A] is my project")).toBe(false);
// Mid-line quote of the marker shape is not anchored at start, so safe.
expect(looksLikeEnvelopeSludge("I always think +5m is too short")).toBe(false);
expect(looksLikeEnvelopeSludge("Meeting on Mon 2026-05-17 at 3pm")).toBe(false);
});
test("looksLikeEnvelopeSludge detects marker-free `[channel from]` envelopes", () => {
// formatAgentEnvelope drops `+<elapsed>`, host, ip, and timestamp when their
// inputs are absent, leaving just `[<channel> <from>] <body>`. Anchoring on
// the canonical bundled channel-id list keeps this detector and the
// formatter from drifting.
expect(looksLikeEnvelopeSludge("[telegram alice] hello world")).toBe(true);
expect(looksLikeEnvelopeSludge("[discord user] ping")).toBe(true);
test("looksLikeEnvelopeSludge detects structurally marker-free channel envelopes", () => {
// Marker-free channel envelopes still need a group/thread marker or a body
// sender prefix; a plain `[channel words] body` is too ambiguous.
expect(looksLikeEnvelopeSludge("[telegram alice] hello world")).toBe(false);
expect(looksLikeEnvelopeSludge("[telegram Alice] Alice: hello world")).toBe(true);
expect(looksLikeEnvelopeSludge("[discord user] ping")).toBe(false);
expect(looksLikeEnvelopeSludge("[slack #general user] message")).toBe(true);
expect(looksLikeEnvelopeSludge("[imessage Bob] hello")).toBe(true);
expect(looksLikeEnvelopeSludge("[whatsapp +15551234567] hi")).toBe(true);
expect(looksLikeEnvelopeSludge("[Google Chat Room] I prefer dark mode")).toBe(true);
expect(looksLikeEnvelopeSludge("[Nextcloud Talk Board] I prefer dark mode")).toBe(true);
expect(looksLikeEnvelopeSludge("[Teams General] I prefer dark mode")).toBe(true);
expect(looksLikeEnvelopeSludge("[imessage Bob] Bob: hello")).toBe(true);
expect(looksLikeEnvelopeSludge("[whatsapp 123@g.us Bob] Bob: hi")).toBe(true);
expect(looksLikeEnvelopeSludge("[Google Chat Room] Room: I prefer dark mode")).toBe(true);
expect(looksLikeEnvelopeSludge("[Nextcloud Talk Board] Board: I prefer dark mode")).toBe(true);
expect(looksLikeEnvelopeSludge("[Teams General] General: I prefer dark mode")).toBe(true);
// Multi-line body still gets filtered when the envelope leads the first line.
expect(looksLikeEnvelopeSludge("[telegram alice] hello\nsecond line\nthird")).toBe(true);
expect(looksLikeEnvelopeSludge("[telegram Alice] Alice: hello\nsecond line\nthird")).toBe(true);
});
test("looksLikeEnvelopeSludge marker-free match is case insensitive", () => {
// Production paths feed lowercase channel ids, but the formatter does not
// lowercase `params.channel` itself; accept either casing so a stray uppercase
// id never bypasses the filter.
expect(looksLikeEnvelopeSludge("[Telegram Alice] hi")).toBe(true);
expect(looksLikeEnvelopeSludge("[DISCORD user] msg")).toBe(true);
expect(looksLikeEnvelopeSludge("[Telegram Alice] Alice: hi")).toBe(true);
expect(looksLikeEnvelopeSludge("[DISCORD #general user] user: msg")).toBe(true);
});
test("looksLikeEnvelopeSludge does not false-positive on markdown link syntax", () => {
@@ -3080,22 +3118,31 @@ describe("memory plugin e2e", () => {
expect(looksLikeEnvelopeSludge("[telegram] foo")).toBe(false);
});
test("sanitizeForMemoryCapture strips marker-free `[channel from]` envelope prefix", () => {
test("sanitizeForMemoryCapture strips structurally marker-free channel envelope prefix", () => {
// Mirror the looksLikeEnvelopeSludge marker-free coverage so the full
// capture flow (sanitize -> shouldCapture) also handles the shape.
expect(sanitizeForMemoryCapture("[telegram alice] I prefer dark mode")).toBe(
expect(sanitizeForMemoryCapture("[telegram Alice] Alice: I prefer dark mode")).toBe(
"I prefer dark mode",
);
expect(sanitizeForMemoryCapture("[discord user] ping")).toBe("ping");
expect(sanitizeForMemoryCapture("[Google Chat Room] I prefer dark mode")).toBe(
expect(sanitizeForMemoryCapture("[telegram Alice id:123] Alice: I prefer dark mode")).toBe(
"I prefer dark mode",
);
expect(sanitizeForMemoryCapture("[Nextcloud Talk Board] I prefer dark mode")).toBe(
expect(sanitizeForMemoryCapture("[LINE user:U123] (sender): I prefer dark mode")).toBe(
"I prefer dark mode",
);
expect(sanitizeForMemoryCapture("[Teams General] I prefer dark mode")).toBe(
expect(sanitizeForMemoryCapture("[discord #general user] user: ping")).toBe("ping");
expect(sanitizeForMemoryCapture("[Google Chat Room] Room: I prefer dark mode")).toBe(
"I prefer dark mode",
);
expect(sanitizeForMemoryCapture("[Nextcloud Talk Board] Board: I prefer dark mode")).toBe(
"I prefer dark mode",
);
expect(sanitizeForMemoryCapture("[Teams General] General: I prefer dark mode")).toBe(
"I prefer dark mode",
);
expect(sanitizeForMemoryCapture("[Signal Hill] is my favorite hike")).toBe(
"[Signal Hill] is my favorite hike",
);
// Group-chat sender-prefix on the body is also stripped when the bracket is
// recognized as an envelope.
expect(sanitizeForMemoryCapture("[slack #general user] user: hello")).toBe("hello");
@@ -3152,8 +3199,10 @@ describe("memory plugin e2e", () => {
),
).toBe("TODO: keep this");
expect(sanitizeForMemoryCapture("[Slack #general] TODO: keep this")).toBe("TODO: keep this");
expect(sanitizeForMemoryCapture("[WhatsApp Family Chat] Alice: hello")).toBe("Alice: hello");
expect(sanitizeForMemoryCapture("[Telegram Alice] Bob (42): I prefer dark mode")).toBe(
expect(sanitizeForMemoryCapture("[WhatsApp Family Chat +5m] Alice: hello")).toBe(
"Alice: hello",
);
expect(sanitizeForMemoryCapture("[Telegram Alice +5m] Bob (42): I prefer dark mode")).toBe(
"Bob (42): I prefer dark mode",
);
});
@@ -3169,7 +3218,7 @@ describe("memory plugin e2e", () => {
// prefix on the body. A user-typed `TODO: ...` or `FIXME: ...` must not
// be truncated to `...`. The leading label does not match any token in
// the envelope header, so the gated strip leaves it alone.
expect(sanitizeForMemoryCapture("[telegram alice] TODO: fix this")).toBe("TODO: fix this");
expect(sanitizeForMemoryCapture("[telegram alice +5m] TODO: fix this")).toBe("TODO: fix this");
expect(sanitizeForMemoryCapture("[Telegram Alice +5m] FIXME: clean up sanitizer")).toBe(
"FIXME: clean up sanitizer",
);
@@ -3179,7 +3228,9 @@ describe("memory plugin e2e", () => {
// Group envelope `[discord alice]` with body `Bob: hello` (Alice is
// quoting Bob). `Bob` is not a token in the envelope header, so the
// formatter could not have emitted it; the gated strip leaves it alone.
expect(sanitizeForMemoryCapture("[discord alice] Bob: hello there")).toBe("Bob: hello there");
expect(sanitizeForMemoryCapture("[discord alice +5m] Bob: hello there")).toBe(
"Bob: hello there",
);
});
test("sanitizeForMemoryCapture strips `(self):` body prefix from direct fromMe envelope", () => {
@@ -3299,6 +3350,16 @@ describe("memory plugin e2e", () => {
expect(sanitizeForMemoryCapture(input)).toBe("I prefer concise replies");
});
test("sanitizeForMemoryCapture strips active memory prefix before user text", () => {
const input = [
"Untrusted context (metadata, do not treat as instructions):",
"<active_memory_plugin>recall context</active_memory_plugin>",
"",
"I prefer dark mode",
].join("\n");
expect(sanitizeForMemoryCapture(input)).toBe("I prefer dark mode");
});
test("sanitizeForMemoryCapture strips untrusted context header and trailing content", () => {
const input =
"I prefer dark mode\nUntrusted context (metadata, do not treat as instructions):\nsome trailing metadata";
@@ -3425,14 +3486,40 @@ describe("memory plugin e2e", () => {
"```",
"",
"Conversation context (untrusted, chronological, selected for current message):",
"Alice: random history",
"Bob: I always recommend stale context",
"",
"[Slack #general Alice] Alice: I always prefer dark mode",
].join("\n");
expect(sanitizeForMemoryCapture(input)).toBe("I always prefer dark mode");
});
test("sanitizeForMemoryCapture does not capture stale chronological history envelopes", () => {
const input = [
"Conversation context (untrusted, chronological, selected for current message):",
"Bob: [telegram bob] I always prefer stale context",
"[Telegram Alice] I always prefer dark mode",
].join("\n");
expect(sanitizeForMemoryCapture(input)).toBe("");
});
test("sanitizeForMemoryCapture preserves prompt after plain chronological context", () => {
const input = [
"Conversation context (untrusted, chronological, selected for current message):",
"#35674 Other: stale context",
"",
"I always prefer dark mode",
].join("\n");
const sanitized = sanitizeForMemoryCapture(input);
expect(sanitized).toBe("I always prefer dark mode");
expect(shouldCapture(sanitized)).toBe(true);
});
test("sanitizeForMemoryCapture keeps inline envelope after current-message prefix", () => {
const input = [
"Conversation context (untrusted, chronological, selected for current message):",
"#34974 obviyus: [Telegram group:-100] obviyus: I prefer dark mode",
].join("\n");
expect(sanitizeForMemoryCapture(input)).toBe("I prefer dark mode");
});
test("sanitizeForMemoryCapture strips envelopes after JSON-only metadata", () => {
const input = [
"Conversation info (untrusted metadata):",
@@ -3445,6 +3532,18 @@ describe("memory plugin e2e", () => {
expect(sanitizeForMemoryCapture(input)).toBe("I prefer dark mode");
});
test("sanitizeForMemoryCapture strips long structured-context labels", () => {
const input = [
`${"Custom ".repeat(30)}label (untrusted metadata):`,
"```json",
'{"note":"I always prefer stale metadata"}',
"```",
"",
"I prefer dark mode",
].join("\n");
expect(sanitizeForMemoryCapture(input)).toBe("I prefer dark mode");
});
test("sanitizeForMemoryCapture strips current message reply context before envelopes", () => {
const input = [
"Conversation info (untrusted metadata):",
@@ -3459,6 +3558,17 @@ describe("memory plugin e2e", () => {
expect(sanitizeForMemoryCapture(input)).toBe("I prefer dark mode");
});
test("sanitizeForMemoryCapture strips current message reply context without envelopes", () => {
const input = [
"Current message:",
'[Replying to: "quoted status body"]',
"#34974 obviyus: I prefer dark mode",
].join("\n");
const sanitized = sanitizeForMemoryCapture(input);
expect(sanitized).toBe("I prefer dark mode");
expect(shouldCapture(sanitized)).toBe(true);
});
test("sanitizeForMemoryCapture strips message-tool delivery hints before envelopes", () => {
const input = [
"Delivery: Final assistant text is not automatically delivered in this run. Use the `message` tool to send user-visible output.",
@@ -3468,6 +3578,29 @@ describe("memory plugin e2e", () => {
expect(sanitizeForMemoryCapture(input)).toBe("I prefer dark mode");
});
test("sanitizeForMemoryCapture strips message-tool delivery hints before plain text", () => {
const input = [
"Delivery: Final assistant text is not automatically delivered in this run. Use the `message` tool to send user-visible output.",
"",
"I prefer dark mode",
].join("\n");
const sanitized = sanitizeForMemoryCapture(input);
expect(sanitized).toBe("I prefer dark mode");
expect(shouldCapture(sanitized)).toBe(true);
});
test("sanitizeForMemoryCapture strips delivery hints before chronological context", () => {
const input = [
"Delivery: Final assistant text is not automatically delivered in this run. Use the `message` tool to send user-visible output.",
"",
"Conversation context (untrusted, chronological, selected for current message):",
"[Telegram Bob] I prefer dark mode",
].join("\n");
const sanitized = sanitizeForMemoryCapture(input);
expect(sanitized).toBe("I prefer dark mode");
expect(shouldCapture(sanitized)).toBe(true);
});
test("sanitizeForMemoryCapture strips pending history wrappers before current envelopes", () => {
const input = [
"[Chat messages since your last reply - for context]",
@@ -3482,6 +3615,29 @@ describe("memory plugin e2e", () => {
expect(sanitizeForMemoryCapture(input)).toBe("I prefer dark mode");
});
test("sanitizeForMemoryCapture strips QQ history wrappers before current text", () => {
const input = [
"[Chat messages since your last reply \u2014 CONTEXT ONLY]",
"Bob: I always prefer stale context",
"",
"[CURRENT MESSAGE \u2014 reply to this]",
"I prefer dark mode",
].join("\n");
const sanitized = sanitizeForMemoryCapture(input);
expect(sanitized).toBe("I prefer dark mode");
expect(shouldCapture(sanitized)).toBe(true);
});
test("sanitizeForMemoryCapture strips QQ merged-message wrappers before current text", () => {
const input = [
"[Merged earlier messages \u2014 CONTEXT ONLY]",
"Bob: I always prefer stale context",
"[CURRENT MESSAGE \u2014 reply using the context above]",
"I prefer dark mode",
].join("\n");
expect(sanitizeForMemoryCapture(input)).toBe("I prefer dark mode");
});
test("sanitizeForMemoryCapture preserves user text after back-to-back sentinels at start", () => {
// Two sentinels at the very start (no user content before either) must
// both be stripped so the body that follows survives.
@@ -3574,10 +3730,12 @@ describe("memory plugin e2e", () => {
category: "fact",
text: 'Conversation info (untrusted metadata):\n```json\n{"id":"123"}\n```\nsome sludge',
},
{ category: "fact", text: "Sender (untrusted metadata): Alex\nI prefer light mode" },
{ category: "entity", text: "My email is test@example.com" },
]);
expect(result).toContain("dark mode");
expect(result).toContain("this layout");
expect(result).not.toContain("light mode");
expect(result).not.toContain("media attached");
expect(result).toContain("test@example.com");
expect(result).not.toContain("untrusted metadata");

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@@ -209,6 +209,7 @@ const DEFAULT_TOOL_RECALL_COOLDOWN_MS = 60_000;
// bounded.
const DEFAULT_AUTO_RECALL_OVERFETCH_LIMIT = 10;
const DEFAULT_AUTO_RECALL_RESULT_CAP = 3;
const DUPLICATE_SEARCH_LIMIT = 5;
function parsePositiveIntegerOption(value: string | undefined, flag: string): number | undefined {
if (value === undefined) {
@@ -662,6 +663,16 @@ function sanitizeRecallMemoryText(text: string): string | null {
return looksLikeEnvelopeSludge(stripped) ? null : stripped;
}
async function findCleanDuplicateMemory(
db: {
search(vector: number[], limit?: number, minScore?: number): Promise<MemorySearchResult[]>;
},
vector: number[],
): Promise<MemorySearchResult | undefined> {
const existing = await db.search(vector, DUPLICATE_SEARCH_LIMIT, 0.95);
return existing.find((result) => sanitizeRecallMemoryText(result.entry.text) !== null);
}
// ============================================================================
// Envelope / transport metadata contamination detection
// ============================================================================
@@ -692,6 +703,12 @@ const INBOUND_META_SENTINELS = [
"Nearby reply target window (untrusted, chronological, around replied-to message):",
"Chat history since last reply (untrusted, for context):",
] as const;
const INBOUND_META_SENTINEL_LINE_RE = new RegExp(
`^(?:${INBOUND_META_SENTINELS.map((sentinel) =>
sentinel.replace(/[.*+?^${}()|[\]\\]/g, "\\$&"),
).join("|")})[^\\n]*$`,
"m",
);
const MESSAGE_TOOL_DELIVERY_HINTS = [
"Delivery: to send a message, use the `message` tool.",
@@ -705,6 +722,16 @@ const MESSAGE_TOOL_DELIVERY_HINT_RE = new RegExp(
);
const HISTORY_CONTEXT_MARKER = "[Chat messages since your last reply - for context]";
const CURRENT_MESSAGE_MARKER = "[Current message - respond to this]";
const HISTORY_CONTEXT_MARKERS = [
HISTORY_CONTEXT_MARKER,
"[Chat messages since your last reply \u2014 CONTEXT ONLY]",
"[Merged earlier messages \u2014 CONTEXT ONLY]",
] as const;
const CURRENT_MESSAGE_MARKERS = [
CURRENT_MESSAGE_MARKER,
"[CURRENT MESSAGE \u2014 reply to this]",
"[CURRENT MESSAGE \u2014 reply using the context above]",
] as const;
const ACTIVE_TURN_RECOVERY_RE = /active-turn-recovery/i;
@@ -720,18 +747,20 @@ const ACTIVE_TURN_RECOVERY_RE = /active-turn-recovery/i;
* so requiring `):` to terminate the line catches every real injection while
* sidestepping the false-positive risk.
*
* Label segment is capped at 100 chars to avoid catastrophic backtracking on
* pathological inputs.
* The producer does not truncate custom structured-context labels, so the
* label segment is newline-bound rather than length-bound. The expression uses
* only linear character classes; avoid nested wildcards here.
*/
const INBOUND_META_LABEL_RE =
/^[^\n]{1,100}\((?:untrusted metadata|untrusted, for context|untrusted, nearest first|untrusted, chronological,[^\n)]{1,80})\):[ \t]*$/m;
/^[^\n]+\((?:untrusted metadata|untrusted, for context|untrusted, nearest first|untrusted, chronological,[^\n)]{1,80})\):[ \t]*$/m;
const INBOUND_META_LABEL_JSON_BLOCK_RE =
/^[^\n]{1,100}\((?:untrusted metadata|untrusted, for context|untrusted, nearest first|untrusted, chronological,[^\n)]{1,80})\):[ \t]*\n[ \t]*```json[ \t]*\n[\s\S]*?\n[ \t]*```[ \t]*\n?/gm;
/^[^\n]+\((?:untrusted metadata|untrusted, for context|untrusted, nearest first|untrusted, chronological,[^\n)]{1,80})\):[ \t]*\n[ \t]*```json[ \t]*\n[\s\S]*?\n[ \t]*```[ \t]*\n?/gm;
const LEADING_CHRONOLOGICAL_CONTEXT_LABEL_RE =
/^\s*[^\n]{1,100}\(untrusted, chronological,[^\n)]{1,80}\):[ \t]*(?:\n|$)/;
const BRACKETED_LINE_PREFIX_RE = /^\[[^\]\n]{1,500}\]\s/gm;
const BRACKETED_PREFIX_RE = /\[[^\]\n]{1,500}\]\s/g;
const LEADING_CURRENT_MESSAGE_CONTEXT_RE = /^\s*Current message:[ \t]*(?:\n|$)/;
const LEADING_CURRENT_MESSAGE_REPLY_LINE_RE = /^\s*\[Replying to:[^\n]{0,1000}\]\s*\n/;
const LEADING_CURRENT_MESSAGE_ID_SENDER_RE = /^#\d+\s+[^\n:]{1,100}:\s*/;
const UNTRUSTED_CONTEXT_HEADER_RE = /^Untrusted context \(metadata/m;
@@ -777,12 +806,11 @@ const INBOUND_ENVELOPE_PREFIX_RE =
/^\[([^\]\n]{0,300}?(?:\s\+(?:\d+[smhdwy]|just now)\b|\s[A-Za-z]{3}\s\d{4}-\d{2}-\d{2})[^\]\n]{0,200})\]\s/;
/**
* Marker-free leading envelope header, e.g. `[telegram alice] hello`. The
* elapsed/date marker regex above misses this shape because `formatAgentEnvelope`
* drops `+<elapsed>`, host, ip, and the absolute timestamp when their inputs are
* absent. The minimum real shape is then `[<channel> <from>]` with no markers,
* which is indistinguishable from arbitrary user `[label ...]` prose without a
* channel-id anchor.
* Marker-free leading envelope header. The elapsed/date marker regex above
* misses envelopes where `formatAgentEnvelope` drops every optional marker.
* Because channel labels can also be ordinary words, callers only accept this
* match after `matchKnownChannelMarkerFreeEnvelopePrefix` finds a stronger
* group/thread or body-sender signal.
*
* Anchoring on a known bundled/official channel prefix from
* `BUNDLED_CHAT_CHANNEL_ENVELOPE_PREFIXES` keeps the detector and formatter in
@@ -824,6 +852,7 @@ const INBOUND_ENVELOPE_KNOWN_CHANNEL_PREFIX_RE: RegExp | null = ENVELOPE_KNOWN_C
* regex bounded and matches realistic display names).
*/
const ENVELOPE_BODY_SENDER_PREFIX_RE = /^([^\n:]{1,120}):\s/;
const ENVELOPE_BODY_DIRECT_PREFIX = "(sender)";
const ENVELOPE_BODY_SELF_PREFIX = "(self)";
const SENDER_PREFIXED_ENVELOPE_CHANNEL_RE =
/^(?:discord|imessage|line|mattermost|qqbot|signal|slack|telegram|whatsapp)(?:\s|$)/i;
@@ -831,6 +860,25 @@ const NON_DIRECT_ENVELOPE_HEADER_RE =
/(?:^|\s)(?:#[^\s]+|group:[^\s]+|group\s+id:[^\s]+|room:[^\s]+|channel\s+id:[^\s]+|id:-[^\s]+|unknown-group|[^\s]+@g\.us)(?:\s|$)/i;
const USER_AUTHORED_BODY_LABEL_RE = /^(?:action|decision|fixme|note|question|reminder|todo)$/i;
function matchKnownChannelMarkerFreeEnvelopePrefix(
text: string,
options?: { allowAmbiguousDirect?: boolean },
): RegExpMatchArray | null {
const match = INBOUND_ENVELOPE_KNOWN_CHANNEL_PREFIX_RE?.exec(text);
if (!match) {
return null;
}
const headerInside = match[1] ?? "";
if (NON_DIRECT_ENVELOPE_HEADER_RE.test(headerInside)) {
return match;
}
const body = text.slice(match[0].length);
if (stripEnvelopeBodySenderPrefix(body, headerInside) !== body) {
return match;
}
return options?.allowAmbiguousDirect ? match : null;
}
/**
* Returns true if `text` looks like it contains OpenClaw-injected envelope or
* transport metadata that should never be persisted as a long-term memory.
@@ -843,7 +891,7 @@ export function looksLikeEnvelopeSludge(text: string): boolean {
// Generic line-anchored sentinel match; precompiled at module scope so the
// hot-path callers (capture gating, recall filtering) do not pay a regex
// compile per invocation.
if (INBOUND_META_LABEL_RE.test(text)) {
if (INBOUND_META_SENTINEL_LINE_RE.test(text) || INBOUND_META_LABEL_RE.test(text)) {
return true;
}
@@ -857,7 +905,10 @@ export function looksLikeEnvelopeSludge(text: string): boolean {
return true;
}
if (text.includes(HISTORY_CONTEXT_MARKER) || text.includes(CURRENT_MESSAGE_MARKER)) {
if (
HISTORY_CONTEXT_MARKERS.some((marker) => text.includes(marker)) ||
CURRENT_MESSAGE_MARKERS.some((marker) => text.includes(marker))
) {
return true;
}
@@ -877,18 +928,13 @@ export function looksLikeEnvelopeSludge(text: string): boolean {
}
// Check for the leading `[Channel sender +elapsed ...]` bracket emitted by
// formatInboundEnvelope. The agent_end hook receives messages with this
// header still attached, so unguarded auto-capture would persist envelope
// metadata bytes as part of the user's "memory". Two regexes: the
// marker-aware one catches envelopes that include elapsed/date markers
// regardless of channel id (covers third-party channels not in the bundled
// list); the known-channel one catches marker-free shapes like
// `[telegram alice] hi` that drop every optional part except the channel id
// and from label.
// formatInboundEnvelope. Marker-free channel brackets need a stronger
// group/thread or body-sender signal so user prose like `[Signal Hill] ...`
// is not treated as transport metadata.
if (INBOUND_ENVELOPE_PREFIX_RE.test(text)) {
return true;
}
if (INBOUND_ENVELOPE_KNOWN_CHANNEL_PREFIX_RE?.test(text)) {
if (matchKnownChannelMarkerFreeEnvelopePrefix(text)) {
return true;
}
@@ -921,7 +967,7 @@ function stripEnvelopeBodySenderPrefix(body: string, headerInside: string): stri
return body;
}
const label = match[1];
if (label === ENVELOPE_BODY_SELF_PREFIX) {
if (label === ENVELOPE_BODY_SELF_PREFIX || label === ENVELOPE_BODY_DIRECT_PREFIX) {
return body.slice(match[0].length);
}
if (
@@ -932,7 +978,7 @@ function stripEnvelopeBodySenderPrefix(body: string, headerInside: string): stri
return body.slice(match[0].length);
}
const headerTokens = headerInside.split(/\s+/);
if (headerTokens.includes(label)) {
if (headerTokens.includes(label) || headerInside.includes(label)) {
return body.slice(match[0].length);
}
return body;
@@ -957,7 +1003,10 @@ function stripLeadingMessageToolDeliveryHints(text: string): string {
return stripped ? lines.slice(index).join("\n") : text;
}
function findFirstInboundEnvelopeIndex(text: string, options?: { skipReplyQuoteLine?: boolean }) {
function findFirstInboundEnvelopeIndex(
text: string,
options?: { allowAmbiguousMarkerFree?: boolean; skipReplyQuoteLine?: boolean },
) {
for (const match of text.matchAll(BRACKETED_PREFIX_RE)) {
const index = match.index;
if (options?.skipReplyQuoteLine) {
@@ -969,7 +1018,9 @@ function findFirstInboundEnvelopeIndex(text: string, options?: { skipReplyQuoteL
const candidate = text.slice(index);
if (
INBOUND_ENVELOPE_PREFIX_RE.test(candidate) ||
INBOUND_ENVELOPE_KNOWN_CHANNEL_PREFIX_RE?.test(candidate)
matchKnownChannelMarkerFreeEnvelopePrefix(candidate, {
allowAmbiguousDirect: options?.allowAmbiguousMarkerFree,
})
) {
return index;
}
@@ -979,22 +1030,36 @@ function findFirstInboundEnvelopeIndex(text: string, options?: { skipReplyQuoteL
function stripPendingHistoryContextBeforeCurrentMessage(text: string): string {
const candidateText = text.trimStart();
if (!candidateText.startsWith(HISTORY_CONTEXT_MARKER)) {
if (!HISTORY_CONTEXT_MARKERS.some((marker) => candidateText.startsWith(marker))) {
return text;
}
const currentMessageIndex = candidateText.lastIndexOf(CURRENT_MESSAGE_MARKER);
if (currentMessageIndex === -1) {
const currentMarker = findLastContextMarker(candidateText, CURRENT_MESSAGE_MARKERS);
if (!currentMarker) {
return text;
}
return candidateText.slice(currentMessageIndex + CURRENT_MESSAGE_MARKER.length);
return candidateText.slice(currentMarker.index + currentMarker.marker.length);
}
function stripToCurrentMessageMarker(text: string): string | null {
const currentMessageIndex = text.lastIndexOf(CURRENT_MESSAGE_MARKER);
if (currentMessageIndex === -1) {
const currentMarker = findLastContextMarker(text, CURRENT_MESSAGE_MARKERS);
if (!currentMarker) {
return null;
}
return text.slice(currentMessageIndex + CURRENT_MESSAGE_MARKER.length);
return text.slice(currentMarker.index + currentMarker.marker.length);
}
function findLastContextMarker(
text: string,
markers: readonly string[],
): { index: number; marker: string } | null {
let result: { index: number; marker: string } | null = null;
for (const marker of markers) {
const index = text.lastIndexOf(marker);
if (index !== -1 && (!result || index > result.index)) {
result = { index, marker };
}
}
return result;
}
function stripLeadingCurrentMessageContextBeforeEnvelope(text: string): string {
@@ -1002,12 +1067,24 @@ function stripLeadingCurrentMessageContextBeforeEnvelope(text: string): string {
if (!LEADING_CURRENT_MESSAGE_CONTEXT_RE.test(candidateText)) {
return text;
}
const envelopeIndex = findFirstInboundEnvelopeIndex(candidateText, { skipReplyQuoteLine: true });
const envelopeIndex = findFirstInboundEnvelopeIndex(candidateText, {
allowAmbiguousMarkerFree: true,
skipReplyQuoteLine: true,
});
if (envelopeIndex === -1) {
return text;
let plainBody = candidateText.replace(LEADING_CURRENT_MESSAGE_CONTEXT_RE, "").trimStart();
for (let pass = 0; pass < 4; pass += 1) {
const replyLineMatch = plainBody.match(LEADING_CURRENT_MESSAGE_REPLY_LINE_RE);
if (!replyLineMatch) {
break;
}
plainBody = plainBody.slice(replyLineMatch[0].length).trimStart();
}
const currentMessagePrefixMatch = plainBody.match(LEADING_CURRENT_MESSAGE_ID_SENDER_RE);
return currentMessagePrefixMatch ? plainBody.slice(currentMessagePrefixMatch[0].length) : text;
}
// `Current message:` is current-turn transport context. Strip it only when a
// real inbound envelope follows; otherwise preserve the text for normal capture.
// real current-message body follows; otherwise preserve the text for normal capture.
return candidateText.slice(envelopeIndex);
}
@@ -1021,37 +1098,28 @@ function stripLeadingPlainTextMetadataBody(text: string): string {
return currentMessageBody === candidateText ? "" : currentMessageBody;
}
function stripLeadingInboundEnvelope(text: string): string {
const candidateText = stripLeadingCurrentMessageContextBeforeEnvelope(
function stripLeadingInboundEnvelope(
text: string,
options?: { allowAmbiguousMarkerFree?: boolean },
): string {
const strippedCandidate = stripLeadingCurrentMessageContextBeforeEnvelope(
stripPendingHistoryContextBeforeCurrentMessage(stripLeadingMessageToolDeliveryHints(text)),
).trimStart();
);
const candidateText = strippedCandidate.trimStart();
const allowAmbiguousMarkerFree = options?.allowAmbiguousMarkerFree || strippedCandidate !== text;
const envelopePrefixMatch =
candidateText.match(INBOUND_ENVELOPE_PREFIX_RE) ??
(INBOUND_ENVELOPE_KNOWN_CHANNEL_PREFIX_RE
? candidateText.match(INBOUND_ENVELOPE_KNOWN_CHANNEL_PREFIX_RE)
: null);
matchKnownChannelMarkerFreeEnvelopePrefix(candidateText, {
allowAmbiguousDirect: allowAmbiguousMarkerFree,
});
if (!envelopePrefixMatch) {
return text;
return strippedCandidate === text ? text : candidateText;
}
const headerInside = envelopePrefixMatch[1] ?? "";
const afterBracket = candidateText.slice(envelopePrefixMatch[0].length);
return stripEnvelopeBodySenderPrefix(afterBracket, headerInside);
}
function findFirstInboundEnvelopeLineIndex(text: string): number {
for (const match of text.matchAll(BRACKETED_LINE_PREFIX_RE)) {
const index = match.index;
const candidate = text.slice(index);
if (
INBOUND_ENVELOPE_PREFIX_RE.test(candidate) ||
INBOUND_ENVELOPE_KNOWN_CHANNEL_PREFIX_RE?.test(candidate)
) {
return index;
}
}
return -1;
}
function stripLeadingChronologicalContextBlocks(text: string): string {
let cleaned = text;
let remainingPasses = INBOUND_META_SENTINELS.length;
@@ -1062,8 +1130,36 @@ function stripLeadingChronologicalContextBlocks(text: string): string {
return cleaned;
}
const afterLabel = cleaned.slice(match[0].length);
const envelopeIndex = findFirstInboundEnvelopeLineIndex(afterLabel);
cleaned = envelopeIndex === -1 ? "" : afterLabel.slice(envelopeIndex);
const bodyStart = afterLabel.search(/\S/);
if (bodyStart === -1) {
return "";
}
const bodyLineEnd = afterLabel.indexOf("\n", bodyStart);
const firstBodyLine =
bodyLineEnd === -1 ? afterLabel.slice(bodyStart) : afterLabel.slice(bodyStart, bodyLineEnd);
let lineEnvelopeIndex = firstBodyLine.trimStart().startsWith("[")
? findFirstInboundEnvelopeIndex(firstBodyLine, {
allowAmbiguousMarkerFree: true,
skipReplyQuoteLine: true,
})
: -1;
if (lineEnvelopeIndex === -1 && match[0].includes("selected for current message")) {
const inlineEnvelopeIndex = findFirstInboundEnvelopeIndex(firstBodyLine, {
allowAmbiguousMarkerFree: true,
skipReplyQuoteLine: true,
});
const prefix = inlineEnvelopeIndex === -1 ? "" : firstBodyLine.slice(0, inlineEnvelopeIndex);
lineEnvelopeIndex = /^#\d+\s/.test(prefix.trimStart()) ? inlineEnvelopeIndex : -1;
}
const envelopeIndex = lineEnvelopeIndex === -1 ? -1 : bodyStart + lineEnvelopeIndex;
if (envelopeIndex === -1) {
const separatorMatch = /\n[ \t]*\n/.exec(afterLabel);
cleaned = separatorMatch
? afterLabel.slice(separatorMatch.index + separatorMatch[0].length)
: "";
} else {
cleaned = afterLabel.slice(envelopeIndex);
}
if (!cleaned) {
return "";
}
@@ -1084,16 +1180,22 @@ export function sanitizeForMemoryCapture(text: string): string {
// Pre-truncate to cap regex work on very large inputs (ReDoS mitigation)
const MAX_SANITIZE_CHARS = 10_000;
let cleaned = text.length > MAX_SANITIZE_CHARS ? text.slice(0, MAX_SANITIZE_CHARS) : text;
let strippedInjectedContext = false;
// Strip leading timestamp prefix
cleaned = cleaned.replace(LEADING_TIMESTAMP_PREFIX_RE, "");
const afterDeliveryHints = stripLeadingMessageToolDeliveryHints(cleaned);
strippedInjectedContext ||= afterDeliveryHints !== cleaned;
cleaned = afterDeliveryHints;
// Strip inbound metadata blocks: generic label line + optional ```json +
// content + ```. This deliberately mirrors `looksLikeEnvelopeSludge`'s
// generic label coverage so current reply-chain, location, and plugin-owned
// structured-context labels do not make `shouldCapture` reject the useful
// user body that follows.
cleaned = cleaned.replace(INBOUND_META_LABEL_JSON_BLOCK_RE, "");
const afterJsonMetaBlocks = cleaned.replace(INBOUND_META_LABEL_JSON_BLOCK_RE, "");
strippedInjectedContext ||= afterJsonMetaBlocks !== cleaned;
cleaned = afterJsonMetaBlocks;
// First strip legacy/inline sentinel+code-fence blocks; each replace removes
// the entire block including its sentinel header so iteration order does not
@@ -1104,12 +1206,16 @@ export function sanitizeForMemoryCapture(text: string): string {
`${escapedSentinel}\\s*\\n\\s*\`\`\`json\\s*\\n[\\s\\S]*?\\n\\s*\`\`\`\\s*\\n?`,
"g",
);
cleaned = cleaned.replace(blockRe, "");
const afterSentinelBlock = cleaned.replace(blockRe, "");
strippedInjectedContext ||= afterSentinelBlock !== cleaned;
cleaned = afterSentinelBlock;
}
// Plain chat-window context blocks are untrusted history lines rather than
// JSON metadata. When they lead the prompt, keep only the following real
// inbound envelope; if no envelope follows, drop the context block entirely.
cleaned = stripLeadingChronologicalContextBlocks(cleaned);
const afterChronologicalContext = stripLeadingChronologicalContextBlocks(cleaned);
strippedInjectedContext ||= afterChronologicalContext !== cleaned;
cleaned = afterChronologicalContext;
// For labels/sentinels that survived the code-fence strip (plain-text body,
// no JSON fence), act on the earliest line-anchored metadata header each
// pass. A bounded retry cap rules out pathological input from spinning
@@ -1153,18 +1259,32 @@ export function sanitizeForMemoryCapture(text: string): string {
const lineEnd = cleaned.indexOf("\n");
const afterHeader = lineEnd === -1 ? "" : cleaned.slice(lineEnd + 1);
if (!afterHeader.trimStart().startsWith("```json")) {
cleaned = stripLeadingPlainTextMetadataBody(afterHeader);
const afterPlainTextMetadata = stripLeadingPlainTextMetadataBody(afterHeader);
strippedInjectedContext ||= afterPlainTextMetadata !== cleaned;
cleaned = afterPlainTextMetadata;
continue;
}
}
cleaned = cleaned.replace(earliestMetaRe, "");
const afterMetaHeader = cleaned.replace(earliestMetaRe, "");
strippedInjectedContext ||= afterMetaHeader !== cleaned;
cleaned = afterMetaHeader;
}
// Active-memory context can be prepended before the real user prompt; strip
// that known block before the generic untrusted-context truncation below.
const afterActiveMemoryContext = cleaned.replace(
/^Untrusted context \(metadata[^\n]*\n<active_memory_plugin>[\s\S]*?<\/active_memory_plugin>\s*/gm,
"",
);
strippedInjectedContext ||= afterActiveMemoryContext !== cleaned;
cleaned = afterActiveMemoryContext;
// Strip the "Untrusted context (metadata..." header and everything after it,
// but only when it appears at the start of a line to avoid false positives
// on user content that happens to quote the phrase mid-line.
const untrustedLineMatch = /^Untrusted context \(metadata/m.exec(cleaned);
if (untrustedLineMatch) {
strippedInjectedContext = true;
cleaned = cleaned.slice(0, untrustedLineMatch.index);
}
@@ -1174,7 +1294,9 @@ export function sanitizeForMemoryCapture(text: string): string {
// The bracket precedes the user's body text; for non-direct envelopes the
// body is prefixed with `<Sender>: ` and for direct fromMe with `(self): `,
// so strip that too when the surviving label matches the formatter contract.
cleaned = stripLeadingInboundEnvelope(cleaned);
cleaned = stripLeadingInboundEnvelope(cleaned, {
allowAmbiguousMarkerFree: strippedInjectedContext,
});
// Strip [media attached: ...] and [media attached N/M: ...] annotations
cleaned = cleaned.replace(MEDIA_ATTACHED_PATTERN, "");
@@ -1517,20 +1639,19 @@ export default definePluginEntry({
const vector = await embeddings.embed(text);
// Check for duplicates
const existing = await db.search(vector, 1, 0.95);
if (existing.length > 0) {
const existing = await findCleanDuplicateMemory(db, vector);
if (existing) {
return {
content: [
{
type: "text",
text: `Similar memory already exists: "${existing[0].entry.text}"`,
text: `Similar memory already exists: "${existing.entry.text}"`,
},
],
details: {
action: "duplicate",
existingId: existing[0].entry.id,
existingText: existing[0].entry.text,
existingId: existing.entry.id,
existingText: existing.entry.text,
},
};
}
@@ -1851,9 +1972,8 @@ export default definePluginEntry({
const category = detectCategory(sanitized);
const vector = await embeddings.embed(sanitized);
// Check for duplicates (high similarity threshold)
const existing = await db.search(vector, 1, 0.95);
if (existing.length > 0) {
const existing = await findCleanDuplicateMemory(db, vector);
if (existing) {
continue;
}

View File

@@ -23,7 +23,7 @@
"install": {
"npmSpec": "@openclaw/memory-lancedb",
"defaultChoice": "npm",
"minHostVersion": ">=2026.4.10"
"minHostVersion": ">=2026.5.31"
},
"compat": {
"pluginApi": ">=2026.5.31"

View File

@@ -186,7 +186,7 @@
"install": {
"npmSpec": "@openclaw/memory-lancedb",
"defaultChoice": "npm",
"minHostVersion": ">=2026.4.10"
"minHostVersion": ">=2026.5.31"
}
}
},

View File

@@ -56,6 +56,9 @@ export const pluginSdkDocMetadata = {
"channel-config-schema-legacy": {
category: "channel",
},
"chat-channel-ids": {
category: "channel",
},
"channel-contract": {
category: "channel",
},

View File

@@ -103,7 +103,7 @@ describe("formatInboundEnvelope", () => {
expect(body).toBe("[Signal Signal Group id:123] Bob (42): ping");
});
it("keeps direct messages unprefixed", () => {
it("prefixes direct messages with the header sender", () => {
const body = formatInboundEnvelope({
channel: "iMessage",
from: "+1555",
@@ -111,7 +111,37 @@ describe("formatInboundEnvelope", () => {
chatType: "direct",
senderLabel: "Alice",
});
expect(body).toBe("[iMessage +1555] hello");
expect(body).toBe("[iMessage +1555] +1555: hello");
});
it("uses display text for direct body prefixes when from includes an id", () => {
const body = formatInboundEnvelope({
channel: "Telegram",
from: "Alice id:123",
body: "hello",
chatType: "direct",
});
expect(body).toBe("[Telegram Alice id:123] Alice: hello");
});
it("uses a stable direct body prefix when id display text contains a colon", () => {
const body = formatInboundEnvelope({
channel: "Telegram",
from: "Ops: Alice id:123",
body: "/status",
chatType: "direct",
});
expect(body).toBe("[Telegram Ops: Alice id:123] (sender): /status");
});
it("uses a stable direct body prefix when from is an opaque id label", () => {
const body = formatInboundEnvelope({
channel: "LINE",
from: "user:U123",
body: "hello",
chatType: "direct",
});
expect(body).toBe("[LINE user:U123] (sender): hello");
});
it("includes elapsed time when previousTimestamp is provided", () => {
@@ -141,7 +171,7 @@ describe("formatInboundEnvelope", () => {
chatType: "direct",
envelope: { includeElapsed: false, includeTimestamp: false },
});
expect(body).toBe("[Telegram Alice] follow-up message");
expect(body).toBe("[Telegram Alice] Alice: follow-up message");
});
it("prefixes DM body with (self) when fromMe is true", () => {

View File

@@ -153,6 +153,16 @@ export function formatEnvelopeTimestamp(
return weekday ? `${weekday} ${formatted}` : formatted;
}
function resolveDirectEnvelopeBodyLabel(from: string | undefined): string {
const label = sanitizeEnvelopeHeaderPart(from || "");
const idMarkerIndex = label.search(/\s+id:/i);
if (idMarkerIndex > 0) {
const displayLabel = label.slice(0, idMarkerIndex).trim();
return displayLabel.includes(":") ? "(sender)" : displayLabel;
}
return label.includes(":") ? "(sender)" : label;
}
export function formatAgentEnvelope(params: AgentEnvelopeParams): string {
const channel = sanitizeEnvelopeHeaderPart(normalizeOptionalString(params.channel) || "Channel");
const parts: string[] = [channel];
@@ -211,12 +221,15 @@ export function formatInboundEnvelope(params: {
const resolvedSenderRaw =
normalizeOptionalString(params.senderLabel) || resolveSenderLabel(params.sender ?? {});
const resolvedSender = resolvedSenderRaw ? sanitizeEnvelopeHeaderPart(resolvedSenderRaw) : "";
const directSender = resolveDirectEnvelopeBodyLabel(normalizeOptionalString(params.from));
const body =
isDirect && params.fromMe
? `(self): ${params.body}`
: !isDirect && resolvedSender
? `${resolvedSender}: ${params.body}`
: params.body;
: isDirect && directSender
? `${directSender}: ${params.body}`
: !isDirect && resolvedSender
? `${resolvedSender}: ${params.body}`
: params.body;
return formatAgentEnvelope({
channel: params.channel,
from: params.from,

View File

@@ -14,6 +14,21 @@ describe("stripStructuralPrefixes", () => {
expect(stripStructuralPrefixes("John: hello")).toBe("hello");
});
it("preserves colon-delimited slash commands", () => {
expect(stripStructuralPrefixes("/config:json")).toBe("/config:json");
});
it("strips direct envelope display labels with handles", () => {
expect(
stripStructuralPrefixes("[Telegram Alice (@alice) id:123] Alice (@alice): /status"),
).toBe("/status");
});
it("strips direct envelope display labels with non-ascii characters", () => {
expect(stripStructuralPrefixes("[Telegram Jörg] Jörg: /status")).toBe("/status");
expect(stripStructuralPrefixes("[Telegram 山田] 山田: /status")).toBe("/status");
});
it("passes through plain text", () => {
expect(stripStructuralPrefixes("just a message")).toBe("just a message");
});

View File

@@ -187,7 +187,7 @@ export function stripStructuralPrefixes(text: string): string {
return afterMarker
.replace(/\[[^\]]+\]\s*/g, "")
.replace(/^[ \t]*[A-Za-z0-9+()\-_. ]+:\s*/gm, "")
.replace(/^[ \t]*[^\n:]{1,120}:\s+/gm, "")
.replace(/\\n/g, " ")
.replace(/\s+/g, " ")
.trim();