docs(parity-teamocil): Add v1.0 rewrite context from README

why: teamocil agent confirmed v1.0 explicitly dropped v0.x features.
what:
- Add paragraph explaining v1.0 rewrite dropped hooks, env vars, DSL
- Provides context for why v0.x import has more keys than v1.x

Author: tony

notes/parity-teamocil.md

@@ -1,6 +1,6 @@
 # Teamocil Parity Analysis
 
-*Last updated: 2026-03-06*
+*Last updated: 2026-03-07*
 *Teamocil version analyzed: 1.4.2*
 *tmuxp version: 1.64.0*
 
@@ -15,6 +15,8 @@ The current tmuxp importer (`importers.py:import_teamocil`) **targets the v0.x f
 
 Note: teamocil v1.x does not create new sessions — it **renames** the current session (`rename-session`) and adds windows to it. This is fundamentally different from tmuxp/tmuxinator which create fresh sessions.
 
+**v1.0 rewrite context** (from teamocil README): Teamocil 1.0 was a complete rewrite that explicitly dropped several v0.x features: no hook system (pre/post execution scripts), no pane-specific environment variables (`with_env_var`), no inline scripting or complex DSL, and no `cmd_separator` customization. The focus narrowed to core declarative window/pane creation.
+
 ## Features teamocil has that tmuxp lacks
 
 ### 1. Session Rename (Not Create)