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Memory/QMD: treat plain-text no-results as empty

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This commit is contained in:
Vignesh Natarajan
2026-02-07 19:39:50 -08:00
committed by Vignesh
parent 4baa43384a
commit 3d343932cf
3 changed files with 147 additions and 8 deletions
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47
src/memory/qmd-manager.ts
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@@ -269,21 +269,16 @@ export class QmdMemoryManager implements MemorySearchManager {
}
const args = ["query", trimmed, "--json", "-n", String(limit), ...collectionFilterArgs];
let stdout: string;
let stderr: string;
try {
const result = await this.runQmd(args, { timeoutMs: this.qmd.limits.timeoutMs });
stdout = result.stdout;
stderr = result.stderr;
} catch (err) {
log.warn(`qmd query failed: ${String(err)}`);
throw err instanceof Error ? err : new Error(String(err));
}
let parsed: QmdQueryResult[] = [];
try {
parsed = JSON.parse(stdout);
} catch (err) {
const message = err instanceof Error ? err.message : String(err);
log.warn(`qmd query returned invalid JSON: ${message}`);
throw new Error(`qmd query returned invalid JSON: ${message}`, { cause: err });
}
const parsed = this.parseQmdQueryJson(stdout, stderr);
const results: MemorySearchResult[] = [];
for (const entry of parsed) {
const doc = await this.resolveDocLocation(entry.docid);
@@ -981,6 +976,42 @@ export class QmdMemoryManager implements MemorySearchManager {
]);
}
private parseQmdQueryJson(stdout: string, stderr: string): QmdQueryResult[] {
const trimmedStdout = stdout.trim();
const trimmedStderr = stderr.trim();
const stdoutIsMarker = Boolean(trimmedStdout) && this.isQmdNoResultsOutput(trimmedStdout);
const stderrIsMarker = Boolean(trimmedStderr) && this.isQmdNoResultsOutput(trimmedStderr);
if (stdoutIsMarker || (!trimmedStdout && stderrIsMarker)) {
return [];
}
if (!trimmedStdout) {
const context = trimmedStderr ? ` (stderr: ${this.summarizeQmdStderr(trimmedStderr)})` : "";
const message = `stdout empty${context}`;
log.warn(`qmd query returned invalid JSON: ${message}`);
throw new Error(`qmd query returned invalid JSON: ${message}`);
}
try {
const parsed = JSON.parse(trimmedStdout) as unknown;
if (!Array.isArray(parsed)) {
throw new Error("qmd query JSON response was not an array");
}
return parsed as QmdQueryResult[];
} catch (err) {
const message = err instanceof Error ? err.message : String(err);
log.warn(`qmd query returned invalid JSON: ${message}`);
throw new Error(`qmd query returned invalid JSON: ${message}`, { cause: err });
}
}
private isQmdNoResultsOutput(raw: string): boolean {
const normalized = raw.trim().toLowerCase().replace(/\s+/g, " ");
return normalized === "no results found" || normalized === "no results found.";
}
private summarizeQmdStderr(raw: string): string {
return raw.length <= 120 ? raw : `${raw.slice(0, 117)}...`;
}
private buildCollectionFilterArgs(): string[] {
const names = this.qmd.collections.map((collection) => collection.name).filter(Boolean);
if (names.length === 0) {