feat: add Get Workunit Metrics tool for performance metrics retrieval

package.json

@@ -299,6 +299,32 @@
           ]
         }
       },
+      {
+        "name": "ecl-extension-getWorkunitMetrics",
+        "tags": [
+          "workunit",
+          "metrics",
+          "performance",
+          "ecl-extension"
+        ],
+        "toolReferenceName": "getWorkunitMetrics",
+        "displayName": "Get Workunit Metrics",
+        "modelDescription": "Fetch normalized performance metrics for a specific workunit including execution details, timing information, and resource usage. Requires a WUID (Workunit ID).",
+        "canBeReferencedInPrompt": true,
+        "icon": "$(info)",
+        "inputSchema": {
+          "type": "object",
+          "properties": {
+            "wuid": {
+              "type": "string",
+              "description": "The Workunit ID (WUID) to fetch details for"
+            }
+          },
+          "required": [
+            "wuid"
+          ]
+        }
+      },
       {
         "name": "ecl-extension-syntaxCheck",
         "tags": [

src/ecl/lm/tools.ts

@@ -2,6 +2,7 @@ import * as vscode from "vscode";
 import { FindWorkunitsTool } from "./tools/findWorkunits";
 import { GetWorkunitErrorsTool } from "./tools/getWorkunitErrors";
 import { GetWorkunitECLTool } from "./tools/getWorkunitECL";
+import { GetWorkunitMetricsTool } from "./tools/getWorkunitMetrics";
 import { FindLogicalFilesTool } from "./tools/findLogicalFiles";
 import { SyntaxCheckTool } from "./tools/syntaxCheck";
 
@@ -13,6 +14,7 @@ export class ECLLMTools {
         ctx.subscriptions.push(vscode.lm.registerTool("ecl-extension-findWorkunits", new FindWorkunitsTool()));
         ctx.subscriptions.push(vscode.lm.registerTool("ecl-extension-getWorkunitErrors", new GetWorkunitErrorsTool()));
         ctx.subscriptions.push(vscode.lm.registerTool("ecl-extension-getWorkunitECL", new GetWorkunitECLTool()));
+        ctx.subscriptions.push(vscode.lm.registerTool("ecl-extension-getWorkunitMetrics", new GetWorkunitMetricsTool()));
 
         ctx.subscriptions.push(vscode.lm.registerTool("ecl-extension-findLogicalFiles", new FindLogicalFilesTool()));
         ctx.subscriptions.push(vscode.lm.registerTool("ecl-extension-syntaxCheck", new SyntaxCheckTool()));

src/ecl/lm/tools/getWorkunitMetrics.ts

@@ -0,0 +1,142 @@
+import * as vscode from "vscode";
+import { Workunit } from "@hpcc-js/comms";
+import { isPlatformConnected } from "../../../hpccplatform/session";
+import { reporter } from "../../../telemetry";
+import localize from "../../../util/localize";
+import { createServiceOptions, logToolEvent, requireConnectedSession, throwIfCancellationRequested } from "../utils";
+
+export interface IGetWorkunitMetricsParameters {
+    /**
+     * Workunit ID (WUID) to fetch metrics for
+     */
+    wuid: string;
+}
+
+export class GetWorkunitMetricsTool implements vscode.LanguageModelTool<IGetWorkunitMetricsParameters> {
+    async invoke(options: vscode.LanguageModelToolInvocationOptions<IGetWorkunitMetricsParameters>, token: vscode.CancellationToken) {
+        reporter?.sendTelemetryEvent("lmTool.invoke", { tool: "getWorkunitMetrics" });
+        const params = options.input;
+
+        const wuid = typeof params.wuid === "string" ? params.wuid.trim() : "";
+        if (wuid.length === 0) {
+            throw new vscode.LanguageModelError(localize("WUID is required"), { cause: "invalid_parameters" });
+        }
+
+        logToolEvent("getWorkunitMetrics", "invoke start", { wuid });
+
+        const session = requireConnectedSession();
+        const opts = await createServiceOptions(session);
+
+        try {
+            // Attach to the workunit and fetch its normalized metrics
+            const wu = Workunit.attach(opts, wuid);
+            await wu.refresh();
+
+            throwIfCancellationRequested(token);
+
+            // Fetch normalized details (metrics)
+            const { data } = await wu.fetchDetailsNormalized({
+                ScopeFilter: {
+                    MaxDepth: 999999,
+                    ScopeTypes: []
+                },
+                NestedFilter: {
+                    Depth: 0,
+                    ScopeTypes: []
+                },
+                PropertiesToReturn: {
+                    AllScopes: true,
+                    AllAttributes: true,
+                    AllProperties: true,
+                    AllNotes: true,
+                    AllStatistics: true,
+                    AllHints: true
+                },
+                ScopeOptions: {
+                    IncludeId: true,
+                    IncludeScope: true,
+                    IncludeScopeType: true,
+                    IncludeMatchedScopesInResults: true
+                },
+                PropertyOptions: {
+                    IncludeName: true,
+                    IncludeRawValue: true,
+                    IncludeFormatted: true,
+                    IncludeMeasure: true,
+                    IncludeCreator: false,
+                    IncludeCreatorType: false
+                }
+            });
+
+            throwIfCancellationRequested(token);
+
+            const parts: vscode.LanguageModelTextPart[] = [];
+
+            // Add workunit summary information
+            const detailsUrl = session.wuDetailsUrl(wu.Wuid);
+            parts.push(new vscode.LanguageModelTextPart(localize("Workunit Metrics for {0}:", wuid)));
+
+            const wuSummary = {
+                wuid: wu.Wuid,
+                owner: wu.Owner,
+                cluster: wu.Cluster,
+                state: wu.State,
+                stateID: wu.StateID,
+                jobname: wu.Jobname,
+                totalClusterTime: wu.TotalClusterTime,
+            };
+
+            parts.push(new vscode.LanguageModelTextPart(JSON.stringify(wuSummary, null, 2)));
+
+            const summary = localize(
+                "{0} on {1} is {2}.",
+                wu.Wuid,
+                wu.Cluster || localize("unknown cluster"),
+                wu.State || localize("unknown state")
+            );
+            parts.push(new vscode.LanguageModelTextPart(summary));
+            if (detailsUrl) {
+                parts.push(new vscode.LanguageModelTextPart(`${localize("ECL Watch URL:")} ${detailsUrl}`));
+            }
+
+            // Add normalized metrics data
+            if (data && data.length > 0) {
+                parts.push(new vscode.LanguageModelTextPart(localize("Metrics ({0} scopes):", data.length.toString())));
+                parts.push(new vscode.LanguageModelTextPart(JSON.stringify({
+                    scopeCount: data.length,
+                    scopeJson: data
+                }, null, 2)));
+            }
+
+            logToolEvent("getWorkunitMetrics", "invoke success", {
+                wuid: wu.Wuid,
+                state: wu.State,
+                scopeCount: data?.length || 0,
+            });
+
+            return new vscode.LanguageModelToolResult(parts);
+        } catch (error) {
+            const errorMessage = error instanceof Error ? error.message : String(error);
+            logToolEvent("getWorkunitMetrics", "invoke failed", { wuid, error: errorMessage });
+            throw new vscode.LanguageModelError(
+                localize("Failed to fetch workunit metrics: {0}", errorMessage),
+                { cause: error }
+            );
+        }
+    }
+
+    async prepareInvocation(options: vscode.LanguageModelToolInvocationPrepareOptions<IGetWorkunitMetricsParameters>, _token: vscode.CancellationToken) {
+        const connected = isPlatformConnected();
+        const wuid = typeof options.input.wuid === "string" ? options.input.wuid.trim() : "";
+
+        return {
+            invocationMessage: connected
+                ? localize("Fetching metrics for workunit {0}", wuid || localize("(unspecified)"))
+                : localize("Cannot fetch: HPCC Platform not connected"),
+            confirmationMessages: connected ? undefined : {
+                title: localize("HPCC Platform not connected"),
+                message: new vscode.MarkdownString(localize("This tool requires an active HPCC connection.")),
+            }
+        };
+    }
+}