feat: budget Find Work batches by time (Closes #675)

tests/test_batch_find_work.py

@@ -109,6 +109,81 @@ flow.run([{{repository:'stackchain/dashboard',number:671}}])
     }
 
 
+def test_time_budget_blocks_claims_until_every_estimate_fits():
+    script = f"""
+const createBatchFindWork=require({json.dumps(str(BATCH_FIND_WORK))});
+const calls=[];
+const flow=createBatchFindWork({{
+  capacity:()=>3,
+  timeBudget:()=>({{capacity_minutes:90,planned_minutes:30}}),
+  claim:item=>{{calls.push('claim:'+item.number);return Promise.resolve(item);}},
+  queue:item=>{{calls.push('queue:'+item.number);return 'queued';}},
+}});
+const items=[701,702].map(number=>({{repository:'stackchain/dashboard',number}}));
+Promise.all([
+  flow.run(items, {{'stackchain/dashboard#701':30}}),
+  flow.run(items, {{'stackchain/dashboard#701':30,'stackchain/dashboard#702':45}}),
+]).then(results=>process.stdout.write(JSON.stringify({{results,calls}})));
+"""
+    assert run_node(script) == {
+        "results": [
+            {
+                "status": "estimates-required", "selected": 2, "available": 3,
+                "queued": [], "failed": [], "remaining_minutes": 60,
+                "requested_minutes": 30,
+                "invalid": ["stackchain/dashboard#702"],
+            },
+            {
+                "status": "over-budget", "selected": 2, "available": 3,
+                "queued": [], "failed": [], "remaining_minutes": 60,
+                "requested_minutes": 75, "over_minutes": 15,
+            },
+        ],
+        "calls": [],
+    }
+
+
+def test_time_budget_persists_estimates_only_for_successfully_queued_claims():
+    script = f"""
+const createBatchFindWork=require({json.dumps(str(BATCH_FIND_WORK))});
+const calls=[];
+const flow=createBatchFindWork({{
+  capacity:()=>3,
+  timeBudget:()=>({{capacity_minutes:120,planned_minutes:30}}),
+  claim:item=>item.number===702 ? Promise.reject(new Error('already claimed')) : Promise.resolve(item),
+  queue:item=>'queued',
+  persistEstimate:(item,minutes)=>calls.push(item.number+':'+minutes),
+}});
+flow.run([701,702].map(number=>({{repository:'stackchain/dashboard',number}})),{{
+  'stackchain/dashboard#701':30,
+  'stackchain/dashboard#702':45,
+}}).then(result=>process.stdout.write(JSON.stringify({{result,calls}})));
+"""
+    assert run_node(script) == {
+        "result": {
+            "status": "complete", "selected": 2, "available": 3,
+            "queued": ["stackchain/dashboard#701"],
+            "failed": [{"key": "stackchain/dashboard#702", "reason": "already claimed"}],
+        },
+        "calls": ["701:30"],
+    }
+
+
+def test_mobile_find_work_has_preclaim_time_review_controls():
+    html = HTML.read_text()
+    dashboard = DASHBOARD.read_text()
+    css = CSS.read_text()
+
+    assert 'id="find-work-estimate-review"' in html
+    assert 'id="find-work-estimate-list"' in html
+    assert 'id="confirm-find-work-estimates"' in html
+    assert 'inputmode="numeric"' in dashboard
+    assert "timeBudget: () =>" in dashboard
+    assert "persistEstimate:" in dashboard
+    assert ".find-work-estimate-review" in css
+    assert ".find-work-estimate-review input" in css and "min-height:44px" in css
+
+
 def test_find_work_selection_survives_loaded_pages_and_removes_confirmed_claims():
     script = f"""
 const createFindWork=require({json.dumps(str(PICK_WORK))});