feat(metrics): recompute reads manual entries, methodology states them

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

src/components/dashboard/methodology.tsx

@@ -38,6 +38,15 @@ export function Methodology({ metrics }: { metrics: ProjectMetrics }) {
           )}
         </p>
 
+        {metrics.manualMinutes > 0 && (
+          <p>
+            <span className="tabular">{Math.round(metrics.manualMinutes / 60)}</span>{" "}
+            {Math.round(metrics.manualMinutes / 60) === 1 ? "hour was" : "hours were"}{" "}
+            logged directly by the developer rather than estimated from commit
+            timing.
+          </p>
+        )}
+
         <p>
           Active days are counted against{" "}
           <strong className="text-text-primary">workdays</strong> — weekdays

src/lib/metrics/store.ts

@@ -42,7 +42,7 @@ export async function recomputeMetrics(projectId: string): Promise<ProjectMetric
 
   const commits = await pb.collection("commits").getFullList<CommitRecord>({
     filter: `project = "${projectId}"`,
-    fields: "type,scope,authored_at,is_merge",
+    fields: "type,scope,authored_at,is_merge,source,manual_minutes",
   });
 
   const metrics = computeProjectMetrics(
@@ -51,6 +51,7 @@ export async function recomputeMetrics(projectId: string): Promise<ProjectMetric
       scope: c.scope ?? "",
       authoredAt: c.authored_at,
       isMerge: Boolean(c.is_merge),
+      manualMinutes: c.source === "manual" ? (c.manual_minutes ?? 0) : undefined,
     })),
     constantsFor(project)
   );