{"record":{"id":"a9477f3fce1678db","repo":"koala73/worldmonitor","slug":"query-must-not-be-empty","errorCode":null,"errorMessage":"query must not be empty.","messagePattern":"query must not be empty\\.","errorType":"validation","errorClass":"SafeWebMcpError","httpStatus":null,"severity":"error","filePath":"src/services/webmcp.ts","lineNumber":2471,"sourceCode":"      annotations: { readOnlyHint: true, untrustedContentHint: true },\n      execute: withInvocationLogging(WEBMCP_SPA_TOOL.searchDashboard, async (args, extra) => {\n        if (!hasOnlyOwnKeys(args, ['query', 'scope', 'limit'])) {\n          throw new SafeWebMcpError(\n            'search_dashboard accepts only query, scope, and limit.',\n            'validation',\n          );\n        }\n        if (typeof args.query !== 'string') {\n          throw new SafeWebMcpError('query must be a string.', 'validation');\n        }\n        if (args.query.length > MAX_SEARCH_QUERY_CHARS) {\n          throw new SafeWebMcpError(\n            `query must be at most ${MAX_SEARCH_QUERY_CHARS} characters.`,\n            'validation',\n          );\n        }\n        const query = args.query.trim();\n        if (!query) throw new SafeWebMcpError('query must not be empty.', 'validation');\n\n        const scope = args.scope === undefined ? 'all' : args.scope;\n        if (typeof scope !== 'string' || !DASHBOARD_SEARCH_SCOPES.has(scope as DashboardSearchScope)) {\n          throw new SafeWebMcpError(\n            'scope must be one of: all, signals, map, panels, actions.',\n            'validation',\n          );\n        }\n        const limit = args.limit === undefined ? DEFAULT_SEARCH_RESULTS : args.limit;\n        if (!Number.isInteger(limit) || Number(limit) < 1 || Number(limit) > MAX_SEARCH_RESULTS) {\n          throw new SafeWebMcpError(\n            `limit must be an integer from 1 to ${MAX_SEARCH_RESULTS}.`,\n            'validation',\n          );\n        }\n\n        return boundDashboardSearchResult(await app.searchDashboard(\n          query,","sourceCodeStart":2453,"sourceCodeEnd":2489,"githubUrl":"https://github.com/koala73/worldmonitor/blob/9361220cc013571781071f0206e4d80fd14b2f7f/src/services/webmcp.ts#L2453-L2489","documentation":"A SafeWebMcpError of kind 'validation' thrown by the search_dashboard WebMCP tool when the query argument is an empty string (zero length). It fires after the string-type and max-length checks, rejecting queries that carry no search terms and would return meaningless default results. It is a generic empty-input validation guard; the input at fault is a query of ''. Callers must supply a non-empty search string.","triggerScenarios":"Thrown at src/services/webmcp.ts:768 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Provide at least one non-whitespace search term","Validate non-empty input in the calling client before invoking the tool"],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"9361220cc013571781071f0206e4d80fd14b2f7f","analyzedAt":"2026-08-21T16:51:25.751Z","contentChangedAt":"2026-08-21T16:51:25.751Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}