feat(keyboard): ship AI hint carousel, home library cards, and clipboard polish

Rotate AI idle suggestions with optional remote packs, move history/dictionary onto self-sizing Home preview cards, harden clipboard capture/prompting, and simplify keyboard chrome by dropping most liquid-glass shadows.

Scripts/sensitive_logs_safe.fixture.swift

@@ -0,0 +1,12 @@
+import Foundation
+
+func buildRequest(apiKey: String, payload: Data, provider: String, status: Int) {
+    var request = URLRequest(url: URL(string: "https://example.com/v1")!)
+    request.setValue("Bearer \(apiKey)", forHTTPHeaderField: "Authorization")
+    request.httpBody = payload
+    print("provider=\(provider) status=\(status) responseBytes=\(payload.count)")
+}
+
+func traceSafely(transcript: String) {
+    FlowTrace.transcript("asr.final", transcript, "source=fixture")
+}