Bug-fix pass for reported issues #114-#119 (D424-D434)

Recoil byte order, crouch-tank interactions, auto-fire cadence in ticks,
hipfire turret tracking, light-fixture Gfx index parsing, hit-type byte
reads. Rule-2 sign-offs recorded for D424 and D427. Documentation re-triaged
onto a single tracker (docs/ROADMAP.md).

Refs: D424 D425 D426 D427 D428 D430 D431 D432 D434 #114 #115 #116 #117 #118 #119

tools_pc/gen_findings_index.py

@@ -54,7 +54,8 @@ def one_liner(cell: str, limit: int = 160) -> str:
 
 LEAD_RE = re.compile(
     r"^\**\s*(OPEN|RESOLVED|FIXED|PROPOSED|PARTIAL|LANDED|CLAMP|DISPROVEN"
-    r"|ROOT-CAUSED|GUARDED|ANALYZED|DIAGNOSTIC SHIPPED|NOT A BUG|CLOSED)",
+    r"|ROOT-CAUSED|GUARDED|ANALYZED|DIAGNOSTIC SHIPPED|NOT A BUG|CLOSED"
+    r"|DEFERRED|SUPERSEDED)",
     re.I,
 )
 
@@ -74,6 +75,7 @@ def bucket(status_cell: str) -> str:
             "ANALYZED": "PARTIAL",
             "DIAGNOSTIC SHIPPED": "PARTIAL",
             "NOT A BUG": "RESOLVED",
+            "SUPERSEDED": "CLOSED",
         }.get(tok, tok)
     for name, rx in STATUS_BUCKETS:
         if rx.search(status_cell):