Initial import of LogDarioSeq baseline

Establishes version control for the personal Logseq DB fork before
starting the server-client architecture migration and domain features
described in docs/agent-guide and the approved implementation plan.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

cli/spec/commands/doctor.mli

@@ -0,0 +1,22 @@
+type opts = { dev_script : bool }
+type parsed = Parsed_doctor of opts
+type action = Doctor of { script_path : Cli_primitive.path option }
+type check_status = Ok | Warning | Error
+
+type check = {
+  id : Cli_primitive.keyword;
+  status : check_status;
+  code : Error.code option;
+  message : string;
+  path : Cli_primitive.path option;
+  servers : Melange_edn_melange.any Rrbvec.t;
+  raw : Melange_edn_melange.any option;
+}
+
+type report = { status : check_status; checks : check Rrbvec.t }
+
+val check_db_worker_script : action -> check
+val check_root_dir : Cli_config.t -> check
+val check_running_servers : Cli_config.t -> check Cli_effect.t
+
+include Command_spec.S with type parsed := parsed and type action := action