fix(redis): numeric db index and cli flag salvage on url import

apps/desktop/src/components/connection/ConnectionDialog.vue

@@ -49,6 +49,7 @@ import { canPersistConnectionTestResult, connectionEditDraftSyncAction } from ".
 import { createConnectionNoteVisibilityDraft, persistConnectionNoteVisibilityDraft as persistConnectionNoteVisibilityDraftState, resetConnectionNoteVisibilityDraft, setConnectionNoteVisibilityDraft, syncConnectionNoteVisibilityDraft } from "./connectionNoteVisibilityDraft";
 import { REDIS_SCAN_PAGE_SIZE_DEFAULT, REDIS_SCAN_PAGE_SIZE_MIN, REDIS_SCAN_PAGE_SIZE_MAX, REDIS_SCAN_PAGE_SIZE_OPTIONS } from "@/lib/redis/redisKeyPattern";
 import { normalizeRedisKeyTemplates, redisKeyTemplatesToTextarea } from "@/lib/redis/redisKeyTemplates";
+import { normalizeRedisDatabaseValue } from "@/lib/redis/redisDatabaseIndex";
 import { normalizeGlobalConnectTimeoutSecs, normalizeGlobalQueryTimeoutSecs, useSettingsStore } from "@/stores/settingsStore";
 import { useToast } from "@/composables/useToast";
 import DatabaseIcon from "@/components/icons/DatabaseIcon.vue";
@@ -2637,7 +2638,9 @@ watch(
         port: profile === "tdengine" && (config.port === 0 || config.port === 6030) ? 6041 : config.port,
         username: config.username,
         password: config.password,
-        database: config.database,
+        // Show the index the backend actually connects with; legacy dirty values
+        // (e.g. redis-cli flags in the field) are healed when the form is saved.
+        database: config.db_type === "redis" ? normalizeRedisDatabaseValue(config.database) || "" : config.database,
         color: config.color || "",
         transport_layers: transportLayersForConfig(legacyConfig),
         connect_timeout_secs: config.connect_timeout_inherit === true ? settingsStore.editorSettings.globalConnectTimeoutSecs : config.connect_timeout_secs || 10,
@@ -2886,6 +2889,7 @@ const transportPathSegments = computed(() => {
 
 function defaultDatabaseForProfile() {
   if (form.value.db_type === "redshift") return "dev";
+  if (form.value.db_type === "redis") return "0";
   if (form.value.db_type === "gaussdb") return "postgres";
   if (form.value.db_type === "kwdb") return "defaultdb";
   if (form.value.db_type === "databend") return "default";
@@ -4404,6 +4408,13 @@ function connectionConfigForSubmit(id: string, generatedName = "", validatePlugi
     config.redis_key_separator = config.redis_key_separator?.trim() ?? ":";
     const scanSize = Number(config.redis_scan_page_size);
     config.redis_scan_page_size = Number.isFinite(scanSize) && scanSize >= REDIS_SCAN_PAGE_SIZE_MIN && scanSize <= REDIS_SCAN_PAGE_SIZE_MAX ? Math.round(scanSize) : REDIS_SCAN_PAGE_SIZE_DEFAULT;
+    {
+      // A Redis database is a numeric index; dirty values (e.g. redis-cli flags
+      // pasted into the field) are stored as the index the backend connects with.
+      const database = normalizeRedisDatabaseValue(config.database);
+      config.database = database;
+      form.value.database = database || "";
+    }
     {
       const templates = normalizeRedisKeyTemplates(redisKeyTemplatesText.value);
       config.redis_key_templates = templates.length > 0 ? templates : undefined;

apps/desktop/src/components/sidebar/TreeItem.vue

@@ -70,6 +70,7 @@ import {
 import { AI_ASSISTANT_TABLE_DROP_ROOT_SELECTOR } from "@/lib/ai/aiTableReferenceDrop";
 import { beginTableReferenceDragFeedback, isOverSqlEditorTarget, type TableReferenceDragFeedback } from "@/lib/editor/tableReferenceDragFeedback";
 import { formatSidebarObjectStorage } from "@/lib/sidebar/sidebarDatabaseStorage";
+import { effectiveRedisDatabaseIndex } from "@/lib/redis/redisDatabaseIndex";
 import { dataTabOpenModeFromTreeClick } from "@/lib/sidebar/dataTabOpenPolicy";
 import { effectiveDatabaseTypeForConnection } from "@/lib/database/jdbcDialect";
 import { connectionDisplayUrlScheme } from "@/lib/connection/connectionPresentation";
@@ -516,6 +517,13 @@ function hostForDisplay(host: string): string {
   return `[${host}]`;
 }
 
+// A Redis database is a numeric index; dirty stored values (e.g. redis-cli flags
+// pasted into the field) resolve to the index the backend actually connects with.
+function tooltipDatabaseValue(config: ConnectionConfig): string {
+  const database = cleanTooltipValue(config.database);
+  return config.db_type === "redis" && database ? effectiveRedisDatabaseIndex(database) : database;
+}
+
 function connectionTooltipUrl(config: ConnectionConfig): string {
   const explicit = cleanTooltipValue(config.connection_string);
   if (explicit) return redactedConnectionString(explicit);
@@ -533,7 +541,7 @@ function connectionTooltipUrl(config: ConnectionConfig): string {
   const port = Number(config.port) > 0 ? `:${config.port}` : "";
   const user = cleanTooltipValue(config.username);
   const userInfo = user ? `${encodeURIComponent(user)}@` : "";
-  const database = cleanTooltipValue(config.database);
+  const database = tooltipDatabaseValue(config);
   const encodedDatabase = config.db_type === "spanner" ? encodeSpannerResourcePath(database) : encodeURIComponent(database);
   const path = database ? `/${encodedDatabase}` : "";
   const params = cleanTooltipValue(config.url_params);
@@ -569,7 +577,7 @@ const detailTooltip = computed(() => {
       { label: "URL", value: connectionTooltipUrl(config), multiline: true },
       ...(hostValues.length > 0 ? [{ label: hostLabel, value: hostValues[0], values: hostValues } as DetailTooltipRow] : [{ label: hostLabel, value: hostValue, multiline: isLocalFileConnection(config) } as DetailTooltipRow]),
       { label: "Port", value: Number(config.port) > 0 ? String(config.port) : "" },
-      { label: t("connection.database"), value: cleanTooltipValue(config.database) },
+      { label: t("connection.database"), value: tooltipDatabaseValue(config) },
       { label: t("connection.user"), value: cleanTooltipValue(config.username) },
       { label: t("connection.type"), value: config.driver_label || config.driver_profile || config.db_type },
       { label: t("connection.databaseInfo.productVersion"), value: cleanTooltipValue(config.database_info?.productVersion) },