Remove suffix-based stage2 escalation by default

README.md

@@ -157,7 +157,7 @@ mp4,mov,m4v,mkv,webm,avi,flv,f4v,ts,m2ts,mts,mpg,mpeg,mpe,mpv,m2v,wmv,asf,3gp,3g
 
 说明：
 
-- `tg-hdd` / `tg-fast` 仍保持 Telegram 常见容器的保守高风险复核范围，避免因为格式表扩大导致 stage2 backlog 暴涨
+- `tg-hdd` / `tg-fast` 默认不再因为文件后缀直接升级到第二轮，只有 `ffprobe` 已经发现异常信号时才进入 `pending_stage2`
 - 如果你希望对全部已支持格式都走更激进的二次校验，使用 `--profile deep-verify`
 
 ### `--paths-file` 规则
@@ -194,7 +194,7 @@ tgvideo-check verify-stage2 --db ".\small-test.db" --export-jsonl ".\small-test-
 重点看：
 
 - `confirmed_broken` 是否命中了你故意造坏的样本
-- `pending_stage2` 数量是否符合你对高风险格式/可疑样本的预期
+- `pending_stage2` 数量是否符合你对可疑样本的预期
 - `passed_stage2` 里是否混进了你明知已坏的文件
 - 是否误伤了你确认正常的视频
 
@@ -229,7 +229,7 @@ tgvideo-check verify-stage2 --db ".\small-test.db" --export-jsonl ".\small-test-
 | `missing_video_stream` | 没有检测到视频流 | 文件不是有效视频 |
 | `missing_format_name` | 无法识别容器格式 | 容器头部或格式识别失败 |
 | `invalid_duration` | 时长字段异常，因此升级到第二轮验证 | 容器信息不完整或异常 |
-| `high_risk_extension` | 高风险扩展名，因此升级到第二轮验证 | 根据 profile 规则升级复核 |
+| `high_risk_extension` | 根据 profile 规则直接升级到第二轮验证 | 主要出现在显式使用 `deep-verify` 这类激进配置时 |
 | `passed_stage1` | 容器级快速校验通过 | 第一轮结束即可放行 |
 | `passed_stage2` | 第二轮采样或确认校验通过 | 第二轮也没发现问题 |
 | `command_error` | 外部命令执行异常 | 环境问题，不应直接删文件 |

src/tgvideo_check/profiles.py

@@ -5,9 +5,6 @@ from dataclasses import dataclass, replace
 from tgvideo_check.config import DEFAULT_VIDEO_EXTENSIONS, ScanConfig
 
 
-TG_HIGH_RISK_EXTENSIONS: tuple[str, ...] = ("mp4", "mov", "m4v", "mkv", "webm")
-
-
 @dataclass(frozen=True)
 class Profile:
     name: str
@@ -23,14 +20,14 @@ PROFILES: dict[str, Profile] = {
         stage1_workers=1,
         stage2_workers=1,
         sample_duration=3,
-        high_risk_extensions=TG_HIGH_RISK_EXTENSIONS,
+        high_risk_extensions=(),
     ),
     "tg-fast": Profile(
         name="tg-fast",
         stage1_workers=2,
         stage2_workers=1,
         sample_duration=3,
-        high_risk_extensions=TG_HIGH_RISK_EXTENSIONS,
+        high_risk_extensions=(),
     ),
     "deep-verify": Profile(
         name="deep-verify",

tests/test_cli.py

@@ -86,7 +86,7 @@ def test_scan_command_leaves_stage2_pending_by_default(tmp_path, monkeypatch) ->
             status="completed",
             command=("ffprobe", str(path)),
             exit_code=0,
-            stdout_text='{"format":{"format_name":"mov,mp4,m4a,3gp,3g2,mj2","duration":"20.0"},"streams":[{"codec_type":"video"}]}',
+            stdout_text='{"format":{"format_name":"mov,mp4,m4a,3gp,3g2,mj2","duration":"N/A"},"streams":[{"codec_type":"video"}]}',
             stderr_text="",
             elapsed_ms=1,
         )
@@ -120,7 +120,7 @@ def test_verify_stage2_command_runs_pending_stage2_files(tmp_path, monkeypatch)
             status="completed",
             command=("ffprobe", str(path)),
             exit_code=0,
-            stdout_text='{"format":{"format_name":"mov,mp4,m4a,3gp,3g2,mj2","duration":"20.0"},"streams":[{"codec_type":"video"}]}',
+            stdout_text='{"format":{"format_name":"mov,mp4,m4a,3gp,3g2,mj2","duration":"N/A"},"streams":[{"codec_type":"video"}]}',
             stderr_text="",
             elapsed_ms=1,
         )
@@ -178,7 +178,7 @@ def test_scan_command_reports_discovery_and_stage1_progress(tmp_path, monkeypatc
             status="completed",
             command=("ffprobe", str(path)),
             exit_code=0,
-            stdout_text='{"format":{"format_name":"mov,mp4,m4a,3gp,3g2,mj2","duration":"20.0"},"streams":[{"codec_type":"video"}]}',
+            stdout_text='{"format":{"format_name":"mov,mp4,m4a,3gp,3g2,mj2","duration":"N/A"},"streams":[{"codec_type":"video"}]}',
             stderr_text="",
             elapsed_ms=1,
         )
@@ -218,7 +218,7 @@ def test_verify_stage2_command_reports_heartbeat_while_waiting(tmp_path, monkeyp
             status="completed",
             command=("ffprobe", str(path)),
             exit_code=0,
-            stdout_text='{"format":{"format_name":"mov,mp4,m4a,3gp,3g2,mj2","duration":"20.0"},"streams":[{"codec_type":"video"}]}',
+            stdout_text='{"format":{"format_name":"mov,mp4,m4a,3gp,3g2,mj2","duration":"N/A"},"streams":[{"codec_type":"video"}]}',
             stderr_text="",
             elapsed_ms=1,
         )
@@ -334,7 +334,7 @@ def test_scan_resume_does_not_reuse_previous_stage2_results(tmp_path, monkeypatc
             status="completed",
             command=("ffprobe", str(path)),
             exit_code=0,
-            stdout_text='{"format":{"format_name":"mov,mp4,m4a,3gp,3g2,mj2","duration":"20.0"},"streams":[{"codec_type":"video"}]}',
+            stdout_text='{"format":{"format_name":"mov,mp4,m4a,3gp,3g2,mj2","duration":"N/A"},"streams":[{"codec_type":"video"}]}',
             stderr_text="",
             elapsed_ms=1,
         )
@@ -390,7 +390,7 @@ def test_scan_resume_does_not_reuse_previous_stage2_results(tmp_path, monkeypatc
             status="completed",
             command=("ffprobe", str(path)),
             exit_code=0,
-            stdout_text='{"format":{"format_name":"mov,mp4,m4a,3gp,3g2,mj2","duration":"20.0"},"streams":[{"codec_type":"video"}]}',
+            stdout_text='{"format":{"format_name":"mov,mp4,m4a,3gp,3g2,mj2","duration":"N/A"},"streams":[{"codec_type":"video"}]}',
             stderr_text="",
             elapsed_ms=1,
         )

tests/test_integration_resume.py

@@ -32,7 +32,7 @@ def test_scan_reuses_previous_results_without_rerunning_probes(
         ],
     )
     assert first_result.exit_code == 0
-    assert "pending_stage2=1" in first_result.stdout
+    assert "passed_stage1=1" in first_result.stdout
 
     def fail_ffprobe(*args, **kwargs):
         raise AssertionError("run_ffprobe should not be called during resume")
@@ -50,7 +50,7 @@ def test_scan_reuses_previous_results_without_rerunning_probes(
     )
 
     assert second_result.exit_code == 0
-    assert "pending_stage2=1" in second_result.stdout
+    assert "passed_stage1=1" in second_result.stdout
 
 
 def _generate_test_video(path: Path, *, duration: int) -> None:

tests/test_integration_truncated_mkv.py

@@ -32,6 +32,8 @@ def test_verify_stage2_detects_truncated_mkv(tmp_path: Path) -> None:
         [
             "scan",
             str(root),
+            "--profile",
+            "deep-verify",
             "--db",
             str(db_path),
         ],

tests/test_profiles.py

@@ -9,7 +9,7 @@ def test_tg_hdd_profile_uses_conservative_defaults() -> None:
     assert profile.stage1_workers == 1
     assert profile.stage2_workers == 1
     assert profile.sample_duration == 3
-    assert profile.high_risk_extensions == ("mp4", "mov", "m4v", "mkv", "webm")
+    assert profile.high_risk_extensions == ()
 
 
 def test_default_extensions_cover_broad_common_video_formats() -> None: