Add shared reverse-engineering lookups (re_disassemble, re_xrefs, re_bytes, re_lookup)

Read the project's flat image, facts.jsonl and annotations with the team's
current names; exposed as MCP tools and as 'harbor re'. Configured by a
[reverse] table in the project file.

harbor/cli.py

@@ -254,6 +254,12 @@ def build_parser():
     p.add_argument("--file")
     p = sub.add_parser("who", help="who has worked on a scope (notes, reviews, claims, messages)")
     p.add_argument("scope")
+    p = sub.add_parser("re", help="reverse-engineering lookups from the project's image and annotations")
+    p.add_argument("action", choices=["disasm", "xrefs", "bytes", "lookup"])
+    p.add_argument("target", help="an address (0x4AD850) or a name")
+    p.add_argument("--max-bytes", type=int, dest="max_bytes")
+    p.add_argument("--count", type=int, default=16)
+    p.add_argument("--as", dest="as_type", default="hex", choices=["hex", "int32", "uint32", "float", "double", "string"])
     p = sub.add_parser("feed", help="the latest tool calls of the team (or one agent), from the hooks")
     p.add_argument("--agent", dest="filter_agent")
     p.add_argument("--limit", type=int, default=30)
@@ -666,6 +672,21 @@ def main(argv=None):
         text = Path(args.file).read_text(encoding="utf-8") if args.file else " ".join(args.text)
         r = harbor.summarize(who(), args.thread, text)
         out(r, f"summary #{r['id']} pinned to {r['thread']}")
+    elif cmd == "re":
+        from .reverse import Reverse
+        r = Reverse(harbor.project.reverse)
+        if args.action == "disasm":
+            text = r.disassemble(args.target, args.max_bytes)
+            out({"disassembly": text}, text)
+        elif args.action == "xrefs":
+            res = r.xrefs(args.target)
+            out(res, json.dumps(res, indent=1))
+        elif args.action == "bytes":
+            res = r.bytes_at(args.target, args.count, args.as_type)
+            out(res, json.dumps(res, indent=1))
+        else:
+            res = r.lookup(args.target)
+            out(res, json.dumps(res, indent=1))
     elif cmd == "who":
         rows = harbor.experts(args.scope)
         out(rows, "\n".join(f"{e['agent']:<9} " + ", ".join(f"{v} {k}" for k, v in e["detail"].items()) for e in rows)