chore(logging): strip redundant provider tags

src/logging.ts

@@ -475,7 +475,22 @@ export function stripRedundantSubsystemPrefixForConsole(
   displaySubsystem: string,
 ): string {
   if (!displaySubsystem) return message;
-  if (!message.startsWith(displaySubsystem)) return message;
+
+  // Common duplication: "[discord] discord: ..." (when a message manually includes the subsystem tag).
+  if (message.startsWith("[")) {
+    const closeIdx = message.indexOf("]");
+    if (closeIdx > 1) {
+      const bracketTag = message.slice(1, closeIdx);
+      if (bracketTag.toLowerCase() === displaySubsystem.toLowerCase()) {
+        let i = closeIdx + 1;
+        while (message[i] === " ") i += 1;
+        return message.slice(i);
+      }
+    }
+  }
+
+  const prefix = message.slice(0, displaySubsystem.length);
+  if (prefix.toLowerCase() !== displaySubsystem.toLowerCase()) return message;
 
   const next = message.slice(
     displaySubsystem.length,

src/logging/console-prefix.test.ts

@@ -9,6 +9,12 @@ describe("stripRedundantSubsystemPrefixForConsole", () => {
     ).toBe("hello");
   });
 
+  it("drops '<Subsystem>:' prefix case-insensitively", () => {
+    expect(
+      stripRedundantSubsystemPrefixForConsole("WhatsApp: hello", "whatsapp"),
+    ).toBe("hello");
+  });
+
   it("drops '<subsystem> ' prefix", () => {
     expect(
       stripRedundantSubsystemPrefixForConsole(
@@ -18,6 +24,15 @@ describe("stripRedundantSubsystemPrefixForConsole", () => {
     ).toBe("gateway: closed");
   });
 
+  it("drops '[subsystem]' prefix", () => {
+    expect(
+      stripRedundantSubsystemPrefixForConsole(
+        "[discord] connection stalled",
+        "discord",
+      ),
+    ).toBe("connection stalled");
+  });
+
   it("keeps messages that do not start with the subsystem", () => {
     expect(
       stripRedundantSubsystemPrefixForConsole("discordant: hello", "discord"),