fix: 修复空值处理并优化工作空间提示信息

修复了 `PawSQLSidebarProvider.ts` 中 `summaryStatementInfo` 可能为空值的问题，增加了空值检查和处理。同时，优化了 `en.json` 中工作空间无优化时的提示信息，使其更清晰易懂。

Author: lhy

src/PawSQLSidebarProvider.ts

@@ -805,16 +805,18 @@ export class PawSQLTreeProvider
             analysisId: analysis.analysisId,
           });
 
-          statements = summary.data.summaryStatementInfo.map((stmt) => {
-            return new StatementItem(
-              `${stmt.stmtName}`,
-              stmt.analysisStmtId,
-              analysis.analysisId,
-              analysis.analysisName,
-              analysis.workspaceId,
-              stmt.stmtText
-            );
-          });
+          statements = (summary.data?.summaryStatementInfo ?? [])
+            .filter((item) => item !== null && item !== undefined)
+            .map((stmt) => {
+              return new StatementItem(
+                `${stmt.stmtName ?? ""}`,
+                stmt.analysisStmtId,
+                analysis.analysisId,
+                analysis.analysisName,
+                analysis.workspaceId,
+                stmt.stmtText ?? ""
+              );
+            });
 
           if (statements.length > 0) {
             const firstStatement = statements[0];
@@ -891,17 +893,19 @@ export class PawSQLTreeProvider
         analysisId: analysis.analysisId,
       });
 
-      const statements = response.data.summaryStatementInfo.map(
-        (stmt: any) =>
-          new StatementItem(
-            `${stmt.stmtName}`,
-            stmt.analysisStmtId,
-            analysis.analysisId,
-            analysis.label,
-            analysis.workspaceId,
-            stmt.sql
-          )
-      );
+      const statements = (response.data?.summaryStatementInfo ?? [])
+        .filter((item) => item !== null && item !== undefined)
+        .map(
+          (stmt) =>
+            new StatementItem(
+              `${stmt.stmtName}`,
+              stmt.analysisStmtId,
+              analysis.analysisId,
+              analysis.label,
+              analysis.workspaceId,
+              stmt.stmtText
+            )
+        );
 
       // 缓存分析下的语句
       this.analysisStatementCache.set(analysis, statements);

src/i18n/en.json

@@ -14,7 +14,7 @@
   "analysis.over.limit": "Opt. quota runs out, please upgrade your plan.",
   "plan.user.exceeded.maximum.opt.times": "Opt. quota runs out, please upgrade your plan.",
   "workspace.not.exist": "Workspace does not exist.",
-  "workspace.has.no.analysis": "Workspace optimization list is empty",
+  "workspace.has.no.analysis": "No optimizations in this workspace",
   "analysis.not.exist": "Analysis does not exist.",
   "open.in.browser": "More Details at ",
   "SQL_OPTIMIZED": "SQL optimization is complete.",