Deploy v4.6.2 ocean download url base fix

README.md

@@ -10,7 +10,7 @@ pinned: false
 
 # Global Marine Foundation Data Agent
 
-Current UI release: **v4.6.1**.
+Current UI release: **v4.6.2**.
 
 
 ## v3.4.0 稳定性重构（第一阶段）

VERSION

@@ -1 +1 @@
-4.6.1
+4.6.2

services/ocean_batch.py

@@ -10,7 +10,7 @@ import time
 from datetime import date, datetime, timedelta
 from pathlib import Path
 from typing import Any
-from urllib.parse import urlparse
+from urllib.parse import urlparse, urljoin
 
 from services.region_registry import resolve_region
 
@@ -110,9 +110,11 @@ class OceanBatchManager:
     def __init__(self,root:Path,api_url:str,concurrency:int=6):
         self.root=Path(root);self.root.mkdir(parents=True,exist_ok=True)
         self.api_url=str(api_url).rstrip("/")
+        # Only an Ocean-specific public base may override the Marine API
+        # base. Generic PUBLIC_BASE_URL points to the Hugging Face UI Space in
+        # production and must never be used for Ocean /download/... files.
         self.public_base_url=(
             os.environ.get("MARINE_PUBLIC_BASE_URL")
-            or os.environ.get("PUBLIC_BASE_URL")
             or ""
         ).strip().rstrip("/")
         self.concurrency=max(1,min(int(concurrency),12))
@@ -130,11 +132,41 @@ class OceanBatchManager:
 
     def _path(self,jid):return self.root/f"{jid}.json"
 
+    def _marine_download_base(self) -> str:
+        return (self.public_base_url or self.api_url).rstrip("/")
+
     def _download_url(self,path):
         path=str(path or "").strip()
+        if not path:
+            return ""
+        parsed=urlparse(path)
+
+        # A /download/... URL hosted by the UI Space is a bad rebase. Remap
+        # that path to the Ocean/Marine service base.
+        if parsed.scheme in {"http","https"}:
+            host=(parsed.hostname or "").lower()
+            marine_host=(urlparse(self._marine_download_base()).hostname or "").lower()
+            if (
+                parsed.path.startswith("/download/")
+                and host.endswith(".hf.space")
+                and host != marine_host
+            ):
+                suffix=parsed.path + (("?" + parsed.query) if parsed.query else "")
+                return urljoin(self._marine_download_base()+"/", suffix.lstrip("/"))
+            return path
+
         if not path.startswith("/download/"):
             return ""
-        return f"{self.public_base_url or self.api_url}{path}"
+        return urljoin(self._marine_download_base()+"/", path.lstrip("/"))
+
+    def _normalize_export_download_url(self,result):
+        if not isinstance(result,dict):
+            return ""
+        raw=str(result.get("download_url") or result.get("download_path") or "").strip()
+        normalized=self._download_url(raw)
+        if normalized:
+            result["download_url"]=normalized
+        return normalized
     def _read(self,jid):
         p=self._path(jid)
         if not p.exists():return None
@@ -231,8 +263,7 @@ class OceanBatchManager:
             if not job:return
             sub=next((x for x in job["subtasks"] if x["subtask_id"]==subtask_id),None)
             if not sub:return
-            if isinstance(result,dict) and result.get("download_path") and not result.get("download_url"):
-                result["download_url"]=self._download_url(result["download_path"])
+            self._normalize_export_download_url(result)
             if isinstance(result,dict) and result.get("download_url"):
                 sub["status"]="completed"
                 sub["download_url"]=str(result["download_url"])
@@ -368,8 +399,7 @@ class OceanBatchManager:
             except Exception as exc:
                 detail=str(exc)[:500]
             if attempt<2:await asyncio.sleep(1.0*(2**attempt))
-        if isinstance(result,dict) and result.get("download_path") and not result.get("download_url"):
-            result["download_url"]=self._download_url(result["download_path"])
+        self._normalize_export_download_url(result)
         if not isinstance(result,dict) or not result.get("download_url"):
             raise RuntimeError(detail or "无法刷新 Ocean 下载链接")
         job=self._read(jid)

tests/test_api_entry_preflight_v456.py

@@ -2,7 +2,7 @@ from pathlib import Path
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_guard_is_before_auth_and_dispatch():
     chat=(ROOT/"routes"/"chat.py").read_text(encoding="utf-8")

tests/test_chat_lifecycle_progress_v393.py

@@ -3,7 +3,7 @@ import pathlib
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_393():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_frontend_lifecycle_progress():
     js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")

tests/test_clarification_ui_v454.py

@@ -2,7 +2,7 @@ from pathlib import Path
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_missing_date_reuses_canonical_region_bbox():
     rt=(ROOT/"services"/"chat_runtime.py").read_text(encoding="utf-8")

tests/test_context_and_multitask_finalize_v451.py

@@ -2,7 +2,7 @@ from pathlib import Path
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_new_query_slot_reset():
     rt=(ROOT/"services"/"chat_runtime.py").read_text(encoding="utf-8")

tests/test_download_host_authorization_v460.py

@@ -2,7 +2,7 @@ from pathlib import Path
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_batch_url_authorization_helper_exists():
     py=(ROOT/"routes"/"downloads.py").read_text(encoding="utf-8")

tests/test_download_opfs_fallback_v459.py

@@ -2,7 +2,7 @@ from pathlib import Path
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_opfs_is_probed_not_assumed():
     js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")

tests/test_download_progress_v391.py

@@ -3,7 +3,7 @@ import pathlib
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_391():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_p1_label_removed():
     js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")

tests/test_download_resilience_v422.py

@@ -3,7 +3,7 @@ import pathlib
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_refresh_route_registered():
     t=(ROOT/"routes"/"ocean_batch.py").read_text(encoding="utf-8")

tests/test_frontend_preflight_v457.py

@@ -2,7 +2,7 @@ from pathlib import Path
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_frontend_preflight_exists_before_progress():
     js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")

tests/test_history_sidebar_v373.py

@@ -3,7 +3,7 @@ import pathlib
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_373():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_project_history_backend():
     route=(ROOT/"routes"/"project_package.py").read_text(encoding="utf-8")

tests/test_large_download_jobs_v400.py

@@ -3,7 +3,7 @@ import pathlib
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_400():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_download_job_backend():
     route=(ROOT/"routes"/"downloads.py").read_text(encoding="utf-8")

tests/test_merged_health_v433.py

@@ -3,7 +3,7 @@ from services.ocean_batch import parse_ocean_batch_request
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_merged_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_ocean_month_batch_survives_merge():
     p=parse_ocean_batch_request("查询 2002 年 8 月西北太平洋的 SST 数据，并导出为 CSV 文件供我下载")

tests/test_multitask_observability_v442.py

@@ -2,7 +2,7 @@ from pathlib import Path
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_frontend_sends_multitask_trace_headers():
     js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")

tests/test_multitask_sse_finalize_v452.py

@@ -2,7 +2,7 @@ from pathlib import Path
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_parallel_sse_uses_real_blank_line_separator():
     js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")

tests/test_ocean_batch_downloads_v420.py

@@ -3,7 +3,7 @@ import pathlib
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_420():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_manifest_has_filename_and_sizes():
     svc=(ROOT/"services"/"ocean_batch.py").read_text(encoding="utf-8")

tests/test_ocean_batch_routing_v421.py

@@ -4,7 +4,7 @@ from services.ocean_batch import parse_ocean_batch_request
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_421():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_exact_user_month_query_routes_to_batch():
     p=parse_ocean_batch_request("查询 2002 年 8 月西北太平洋的 SST 数据，并导出为 CSV 文件供我下载")

tests/test_ocean_batch_v410.py

@@ -4,7 +4,7 @@ from services.ocean_batch import parse_ocean_batch_request
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_410():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_month_three_variable_batch_plan():
     p=parse_ocean_batch_request("查询并导出 2002 年 8 月西北太平洋 120°E–140°E、20°N–40°N 的 SST、SSH、CHL 数据，并打包下载")

tests/test_ocean_date_default_v453.py

@@ -2,7 +2,7 @@ from pathlib import Path
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_missing_date_never_defaults_to_today():
     rt=(ROOT/"services"/"chat_runtime.py").read_text(encoding="utf-8")

tests/test_ocean_download_url_base_v462.py

@@ -0,0 +1,21 @@
+from pathlib import Path
+ROOT=Path(__file__).resolve().parents[1]
+
+def test_version():
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
+
+def test_generic_public_base_not_used():
+    py=(ROOT/"services"/"ocean_batch.py").read_text(encoding="utf-8")
+    block=py[py.index("self.public_base_url="):py.index("self.concurrency=",py.index("self.public_base_url="))]
+    assert "MARINE_PUBLIC_BASE_URL" in block
+    assert "os.environ.get(\"PUBLIC_BASE_URL\")" not in block
+
+def test_hf_space_download_rebased_to_marine_service():
+    py=(ROOT/"services"/"ocean_batch.py").read_text(encoding="utf-8")
+    assert 'host.endswith(".hf.space")' in py
+    assert 'parsed.path.startswith("/download/")' in py
+    assert "urljoin(self._marine_download_base()" in py
+
+def test_first_export_and_refresh_share_normalizer():
+    py=(ROOT/"services"/"ocean_batch.py").read_text(encoding="utf-8")
+    assert py.count("self._normalize_export_download_url(result)") >= 2

tests/test_p0_finish_v380.py

@@ -3,7 +3,7 @@ import pathlib, re, subprocess, shutil
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_380():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_chat_runtime_extracted():
     ui=(ROOT/"ui_server.py").read_text(encoding="utf-8")

tests/test_p0_phase2_v371.py

@@ -3,7 +3,7 @@ import pathlib
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_frontend_feature_modules_exist():
     html=(ROOT/"app.html").read_text(encoding="utf-8")

tests/test_p0_phase3_v372.py

@@ -3,7 +3,7 @@ import pathlib
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_372():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_route_modules_exist():
     for name in ("datasets.py","user_state.py","project_package.py","data_health.py"):

tests/test_platform_reliability_v450.py

@@ -6,7 +6,7 @@ from services.ocean_batch import parse_ocean_batch_request
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_squid_center_uses_repository_membership():
     js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")

tests/test_quality_center_v362.py

@@ -3,7 +3,7 @@ import pathlib
 ROOT = pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_371():
-    assert (ROOT / "VERSION").read_text(encoding="utf-8").strip() == "4.6.1"
+    assert (ROOT / "VERSION").read_text(encoding="utf-8").strip() == "4.6.2"
 
 def test_native_health_backend():
     text = (ROOT / "routes" / "data_health.py").read_text(encoding="utf-8")

tests/test_quality_trust_v361.py

@@ -2,7 +2,7 @@ from pathlib import Path
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version_current():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_quality_confidence_is_now_native_api_metric():
     text=(ROOT/"routes"/"data_health.py").read_text(encoding="utf-8")

tests/test_release_stability.py

@@ -7,7 +7,7 @@ def test_version_is_single_source():
     version = (ROOT / "VERSION").read_text(encoding="utf-8").strip()
     ui = (ROOT / "ui_server.py").read_text(encoding="utf-8")
     html = (ROOT / "app.html").read_text(encoding="utf-8")
-    assert version == "4.6.1"
+    assert version == "4.6.2"
     assert 'with_name("VERSION")' in ui
     assert "__APP_VERSION__" in html
 

tests/test_resumable_batch_download_v458.py

@@ -2,7 +2,7 @@ from pathlib import Path
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_network_loss_pauses_not_fails_all():
     js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")

tests/test_route_region_clarification_v455.py

@@ -2,7 +2,7 @@ from pathlib import Path
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_route_guard_exists_before_agent_dispatch():
     chat=(ROOT/"routes"/"chat.py").read_text(encoding="utf-8")

tests/test_runtime_hotfix_v376.py

@@ -3,7 +3,7 @@ import pathlib
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_376():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_no_stray_async_before_sidebar_toggle():
     js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")

tests/test_sidebar_collapse_v374.py

@@ -3,7 +3,7 @@ import pathlib
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_374():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_sidebar_toggle_markup():
     html=(ROOT/"app.html").read_text(encoding="utf-8")

tests/test_sidebar_partial_collapse_v375.py

@@ -3,7 +3,7 @@ import pathlib
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_375():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_sidebar_order_and_groups():
     html=(ROOT/"app.html").read_text(encoding="utf-8")

tests/test_smart_progress_avatar_sync_v441.py

@@ -2,7 +2,7 @@ from pathlib import Path
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_simple_chat_hides_progress_until_needed():
     js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")

tests/test_sse_heartbeat_v401.py

@@ -3,7 +3,7 @@ import pathlib
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_401():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_chat_has_independent_heartbeat_wrapper():
     route=(ROOT/"routes"/"chat.py").read_text(encoding="utf-8")

tests/test_ui_avatar_multitask_v440.py

@@ -2,7 +2,7 @@ from pathlib import Path
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_assistant_avatar_removed_user_avatar_customizable():
     js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")

tests/test_unified_download_manager_v392.py

@@ -3,7 +3,7 @@ import pathlib
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_392():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_download_proxy_route_registered():
     route=(ROOT/"routes"/"downloads.py").read_text(encoding="utf-8")

tests/test_unified_query_v390.py

@@ -4,7 +4,7 @@ from services.unified_query import plan_unified_query
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_390():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_joint_squid_environment_plan():
     p=plan_unified_query("查询 2002 年 8 月西北太平洋柔鱼记录，并匹配 SST、SSH、CHL")

tests/test_upstream_refresh_retry_v461.py

@@ -2,7 +2,7 @@ from pathlib import Path
 ROOT=Path(__file__).resolve().parents[1]
 
 def test_version():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_probe_returns_status_and_rejects_dead_url():
     py=(ROOT/"routes"/"downloads.py").read_text(encoding="utf-8")

tests/test_v381_navigation_ocean_intent.py

@@ -3,7 +3,7 @@ import pathlib, ast
 ROOT=pathlib.Path(__file__).resolve().parents[1]
 
 def test_version_381():
-    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"
+    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.2"
 
 def test_recent_conversation_switches_to_chat():
     js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")