fix: signal reactions

src/channels/plugins/normalize/signal.test.ts

@@ -0,0 +1,32 @@
+import { describe, expect, it } from "vitest";
+
+import { looksLikeSignalTargetId, normalizeSignalMessagingTarget } from "./signal.js";
+
+describe("signal target normalization", () => {
+  it("normalizes uuid targets by stripping uuid:", () => {
+    expect(normalizeSignalMessagingTarget("uuid:123E4567-E89B-12D3-A456-426614174000")).toBe(
+      "123e4567-e89b-12d3-a456-426614174000",
+    );
+  });
+
+  it("normalizes signal:uuid targets", () => {
+    expect(normalizeSignalMessagingTarget("signal:uuid:123E4567-E89B-12D3-A456-426614174000")).toBe(
+      "123e4567-e89b-12d3-a456-426614174000",
+    );
+  });
+
+  it("accepts uuid prefixes for target detection", () => {
+    expect(looksLikeSignalTargetId("uuid:123e4567-e89b-12d3-a456-426614174000")).toBe(true);
+    expect(looksLikeSignalTargetId("signal:uuid:123e4567-e89b-12d3-a456-426614174000")).toBe(true);
+  });
+
+  it("accepts compact UUIDs for target detection", () => {
+    expect(looksLikeSignalTargetId("123e4567e89b12d3a456426614174000")).toBe(true);
+    expect(looksLikeSignalTargetId("uuid:123e4567e89b12d3a456426614174000")).toBe(true);
+  });
+
+  it("rejects invalid uuid prefixes", () => {
+    expect(looksLikeSignalTargetId("uuid:")).toBe(false);
+    expect(looksLikeSignalTargetId("uuid:not-a-uuid")).toBe(false);
+  });
+});

src/channels/plugins/normalize/signal.ts

@@ -19,12 +19,30 @@ export function normalizeSignalMessagingTarget(raw: string): string | undefined
     const id = normalized.slice("u:".length).trim();
     return id ? `username:${id}`.toLowerCase() : undefined;
   }
+  if (lower.startsWith("uuid:")) {
+    const id = normalized.slice("uuid:".length).trim();
+    return id ? id.toLowerCase() : undefined;
+  }
   return normalized.toLowerCase();
 }
 
+// UUID pattern for signal-cli recipient IDs
+const UUID_PATTERN = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
+const UUID_COMPACT_PATTERN = /^[0-9a-f]{32}$/i;
+
 export function looksLikeSignalTargetId(raw: string): boolean {
   const trimmed = raw.trim();
   if (!trimmed) return false;
   if (/^(signal:)?(group:|username:|u:)/i.test(trimmed)) return true;
+  if (/^(signal:)?uuid:/i.test(trimmed)) {
+    const stripped = trimmed
+      .replace(/^signal:/i, "")
+      .replace(/^uuid:/i, "")
+      .trim();
+    if (!stripped) return false;
+    return UUID_PATTERN.test(stripped) || UUID_COMPACT_PATTERN.test(stripped);
+  }
+  // Accept UUIDs (used by signal-cli for reactions)
+  if (UUID_PATTERN.test(trimmed) || UUID_COMPACT_PATTERN.test(trimmed)) return true;
   return /^\+?\d{3,}$/.test(trimmed);
 }