UN-3479 [MISC] Make clone code comments concise and generic

Drop persona-mode markers and conversational phrasing from comments.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CsGrHbs5SWmQkKqiimg6CF

Author: chandrasekharan-zipstack

src/unstract/clone/context.py

@@ -152,8 +152,8 @@ class CloneContext:
     def feature_present(self, client: "PlatformClient", path: str) -> bool:
         """Is ``path`` (a feature's list endpoint) installed on ``client``?
 
-        Memoised per run. # ponytail: plain dict, no lock — probing runs in
-        the single-threaded orchestrator loop, before any parallel_map fan-out.
+        Memoised per run. Plain dict, no lock — probing runs in the
+        single-threaded orchestrator loop, before any parallel_map fan-out.
         """
         key = (id(client), path)
         cached = self.probe_cache.get(key)

src/unstract/clone/phases/agentic_studio.py

@@ -28,11 +28,8 @@
    registry are left unexported.
 
 Org-level ``AgenticSetting`` rows (global key/value, no project FK) are cloned
-once as a flat adopt-by-key / create pass.
-
-# ponytail: settings are org-global singletons keyed by a globally-unique
-# ``key`` — not the per-project config the brief described (that config lives
-# on the project itself). They're cloned flatly here, not per project.
+once as a flat adopt-by-key / create pass — they are org singletons, not
+per-project config.
 """
 
 from __future__ import annotations
@@ -222,10 +219,10 @@ def _replicate_share(
         # The project list/detail share the same serializer, so the source row
         # already carries shared_users (target-mappable user pks), shared_to_org
         # and created_by — no detail fetch needed.
-        # ponytail: agentic group sharing is deferred — shared_groups is
-        # polymorphic/read-only on the project serializer (share via the detail
-        # PATCH only reaches shared_users + shared_to_org), so include_groups is
-        # off and a source group share yields a single warning.
+        # Group sharing isn't replicated: shared_groups is polymorphic/read-only
+        # on the project serializer (the detail PATCH only reaches shared_users +
+        # shared_to_org), so include_groups is off and a source group share
+        # yields a single warning.
         replicate_share(
             self.ctx,
             apply_fn=lambda p: self.ctx.target.update_agentic_project_share(
@@ -414,7 +411,7 @@ def _republish_registry(
             return
 
         if not src_regs:
-            # ponytail: nothing to republish — project was never exported.
+            # Nothing to republish — project was never exported.
             return
 
         try:

src/unstract/clone/phases/lookups.py

@@ -428,10 +428,10 @@ def _replay_one_version(
             name, src_lookup_id, tgt_lookup_id, src_version_id, detail, result, lock
         )
 
-        # ponytail: assignment_values_snapshot is derived by the backend at
-        # publish time from then-existing assignments; we publish before
-        # assignments are recreated, so historical snapshots may differ from
-        # source. Structure + pinning reproduce; frozen values are best-effort.
+        # assignment_values_snapshot is derived by the backend at publish time
+        # from then-existing assignments; publishing happens before assignments
+        # are recreated, so historical snapshots may differ from source.
+        # Structure + pinning reproduce; frozen values are best-effort.
         try:
             published = self.ctx.target.publish_lookup_version(
                 tgt_lookup_id,