fix(rectification): stream persisted candidate choices

frontend/src/lib/db/local-postgres-client-core.ts

@@ -13,6 +13,7 @@ type QueryResult = Readonly<{
 type Filter =
   | Readonly<{ kind: "eq"; column: string; value: unknown }>
   | Readonly<{ kind: "neq"; column: string; value: unknown }>
+  | Readonly<{ kind: "gt"; column: string; value: unknown }>
   | Readonly<{ kind: "in"; column: string; value: readonly unknown[] }>
   | Readonly<{ kind: "is"; column: string; value: unknown }>
   | Readonly<{ kind: "notContains"; column: string; value: unknown }>;
@@ -176,6 +177,12 @@ class LocalPostgresQueryBuilder implements PromiseLike<QueryResult> {
     return this;
   }
 
+  gt(column: string, value: unknown) {
+    identifier(column);
+    this.filters.push({ kind: "gt", column, value });
+    return this;
+  }
+
   in(column: string, value: readonly unknown[]) {
     identifier(column);
     this.filters.push({ kind: "in", column, value });
@@ -257,7 +264,7 @@ class LocalPostgresQueryBuilder implements PromiseLike<QueryResult> {
         return `not (${column} @> $${parameters.length})`;
       }
       parameters.push(databaseValue(types.get(filter.column), filter.value));
-      return `${column} ${filter.kind === "neq" ? "<>" : "="} $${parameters.length}`;
+      return `${column} ${filter.kind === "neq" ? "<>" : filter.kind === "gt" ? ">" : "="} $${parameters.length}`;
     });
     return ` where ${parts.join(" and ")}`;
   }

frontend/src/mastra/agentic-rectification.ts

@@ -21,6 +21,7 @@ TRUTH BOUNDARIES (from the skill overlay)
 - Keep three states distinct: candidate is an engine comparison result; accepted is the user's chosen working birth time; confirmed is a unique minute that passed the engine confirmation gate and was accepted by the user.
 - You may show only the server-returned candidate times and relative_support values. Call them “相对支持度”, never probability, statistical confidence, or certainty. Never expose raw scores, weights, event ids, payloads, or chain-of-thought.
 - If confirmation_allowed=false but selection_allowed=true, explain that the engine has not uniquely confirmed one minute and let the user choose among the returned candidates. Never call that choice engine-confirmed.
+- Read external_validation_status literally: not_evaluated means official VedAstro was not invoked because its local entry gate was not ready, not that VedAstro ran and failed. Neighbor stability and leave-one-event-out are diagnostic confidence indicators, not hard blockers.
 - If confirmation_allowed=true, still require explicit user agreement before saving the representative minute.
 
 SAVING

frontend/src/mastra/rectification-tools.ts

@@ -531,7 +531,7 @@ export function createAgenticRectificationTools(ctx: AgenticRectificationContext
   const confirmTool = createTool({
     id: "rectification-confirm",
     description:
-      "Run the high-rigor confirmation gate for the candidate range and the user's dated events: three-engine parity, external VedAstro validation, neighbor stability, leave-one-out retention, width and margin thresholds. Returns whether a precise minute can be confirmed, the representative minute, and the reasons. Only call once you have enough confirmed dated events across domains. This does NOT write anything.",
+      "Run the high-rigor confirmation gate for the candidate range and the user's dated events. Official VedAstro runs only after the local external-validation entry gate is ready; external_validation_status=not_evaluated means it was not invoked, not that it failed. Neighbor stability and leave-one-out are diagnostic confidence indicators, not hard blockers. Returns whether a precise minute can be confirmed, the representative minute, and the reasons. Only call once you have enough confirmed dated events across domains. This does NOT write anything.",
     inputSchema: z.object({
       candidate_range: candidateRangeSchema,
       events: z.array(agenticRectificationEventSchema).min(1).max(40),
@@ -558,6 +558,15 @@ export function createAgenticRectificationTools(ctx: AgenticRectificationContext
       const gates = (technique?.gates && typeof technique.gates === "object")
         ? technique.gates as Record<string, unknown>
         : {};
+      const externalEngines = (technique?.external_engines && typeof technique.external_engines === "object")
+        ? technique.external_engines as Record<string, unknown>
+        : {};
+      const externalValidation = (externalEngines.validation && typeof externalEngines.validation === "object")
+        ? externalEngines.validation as Record<string, unknown>
+        : {};
+      const externalValidationStatus = typeof externalEngines.status === "string"
+        ? externalEngines.status
+        : "not_evaluated";
       const confirmationAllowed = technique?.confirmation_allowed === true
         && technique?.decision === "confirm_minute";
       const representativeTime = winning && timePattern.test(String(winning.representative_time ?? ""))
@@ -604,6 +613,11 @@ export function createAgenticRectificationTools(ctx: AgenticRectificationContext
         } : null,
         reasons: Array.isArray(data.reasons) ? data.reasons : [],
         stability_diagnostics: data.stability_diagnostics,
+        external_validation_status: externalValidationStatus,
+        external_validation_invoked: externalValidationStatus !== "not_evaluated",
+        external_validation_reason: typeof externalValidation.reason === "string"
+          ? externalValidation.reason
+          : typeof externalValidation.vedastro_reason === "string" ? externalValidation.vedastro_reason : null,
         technique_contract: {
           decision: technique?.decision,
           confirmation_allowed: technique?.confirmation_allowed,