chore: sync local changes, add Chinese docs and opencode config

code_review_graph/prompts.py

@@ -163,7 +163,6 @@ def pre_merge_check_prompt(base: str = "HEAD~1") -> list[Message]:
 
 def unified_review_prompt(
     base: str = "HEAD~1",
-    tier: str = "standard",
 ) -> list[Message]:
     """Three-layer unified review workflow (READ-ONLY).
 
@@ -174,24 +173,11 @@ def unified_review_prompt(
 
     Args:
         base: Git ref to diff against. Default: HEAD~1.
-        tier: Review tier.  "fast" (Layer 1 + blockers only),
-            "standard" (all layers), "strict" (full + per-item
-            confirmation).  Default: standard.
     """
-    tier_notes = {
-        "fast": (
-            "fast tier: run Layers 1 and the blocker check only; "
-            "skip Layer 2 metrics and the report."
-        ),
-        "strict": (
-            "strict tier: full review; every blocker and major finding "
-            "needs per-item user confirmation before it is recorded."
-        ),
-    }.get(tier, "standard tier: run all layers.")
     return _user(
         f"{_TOKEN_EFFICIENCY_PREAMBLE}\n"
-        f"## Unified Review Workflow (base={base}, tier={tier})\n"
-        f"{tier_notes}\n"
+        f"## Unified Review Workflow (base={base})\n"
+        "Standard tier: run all layers.\n"
         "**READ-ONLY.** Present every finding for a manual fix decision. "
         "Never modify code, commit, or push.\n"
         '1. Call `get_minimal_context(task="unified review")` for the '
@@ -202,8 +188,7 @@ def unified_review_prompt(
         "files, risk score, test gaps and affected flows.\n"
         '4. Call `score_review(detail_level="standard")` for the '
         "objective metrics (sql_risk, exception_coverage, redundancy, "
-        "high-risk density, vulnerability).  Trust the tool grades; "
-        "LLM-judged metrics are in `llm_judged`.\n"
+        "high-risk density, vulnerability).  Trust the tool grades.\n"
         "5. Review the changed source (Layer 1 chain decomposition) and "
         "produce findings with severity (blocker/major/minor), "
         "confidence (1-10), file:line and a proposed fix.\n"