Honor alternate autofill targets from entry fields

autofillcache/cache_test.go

@@ -36,6 +36,10 @@ func TestBuildFiltersAndNormalizesEntries(t *testing.T) {
 				Username: "user",
 				Password: "pass",
 				URL:      "lights.julianfamily.org",
+				Fields: map[string]string{
+					"AndroidApp1": "androidapp://com.lights.mobile",
+					"KP2A_URL_1":  "https://lights.julianfamily.org/account",
+				},
 			},
 		},
 	}, now)
@@ -49,6 +53,9 @@ func TestBuildFiltersAndNormalizesEntries(t *testing.T) {
 	if got.Entries[1].Host != "lights.julianfamily.org" {
 		t.Fatalf("second host = %q, want lights.julianfamily.org", got.Entries[1].Host)
 	}
+	if len(got.Entries[1].Targets) != 3 {
+		t.Fatalf("len(second targets) = %d, want 3", len(got.Entries[1].Targets))
+	}
 	if got.UpdatedAt != "2026-03-31T12:00:00Z" {
 		t.Fatalf("updatedAt = %q", got.UpdatedAt)
 	}
@@ -235,3 +242,55 @@ func TestMatchRejectsAmbiguousAndroidAppPackageTargets(t *testing.T) {
 		t.Fatalf("Match() unexpectedly resolved ambiguous android app package target")
 	}
 }
+
+func TestMatchUsesAndroidAppCustomFieldTarget(t *testing.T) {
+	t.Parallel()
+
+	cache := File{
+		Entries: []Entry{
+			{
+				ID:       "one",
+				Title:    "Blink",
+				Username: "blink-user",
+				Password: "secret1",
+				URL:      "https://account.blinknetwork.com",
+				Host:     "account.blinknetwork.com",
+				Targets:  []string{"https://account.blinknetwork.com", "androidapp://com.blinknetwork.mobile2"},
+			},
+		},
+	}
+
+	got, ok := Match(cache, "androidapp://com.blinknetwork.mobile2")
+	if !ok {
+		t.Fatalf("Match() found no entry")
+	}
+	if got.ID != "one" {
+		t.Fatalf("Match() entry = %q, want one", got.ID)
+	}
+}
+
+func TestMatchUsesKP2AURLCustomFieldTarget(t *testing.T) {
+	t.Parallel()
+
+	cache := File{
+		Entries: []Entry{
+			{
+				ID:       "one",
+				Title:    "Blink",
+				Username: "blink-user",
+				Password: "secret1",
+				URL:      "https://blinknetwork.com",
+				Host:     "blinknetwork.com",
+				Targets:  []string{"https://blinknetwork.com", "https://account.blinknetwork.com"},
+			},
+		},
+	}
+
+	got, ok := Match(cache, "https://account.blinknetwork.com")
+	if !ok {
+		t.Fatalf("Match() found no entry")
+	}
+	if got.ID != "one" {
+		t.Fatalf("Match() entry = %q, want one", got.ID)
+	}
+}