refactor: Rename emitter to agent, update related files and logging paths

CHANGELOG.md

@@ -1,12 +1,18 @@
 # Changelog
-All notable changes to **Series3 Emitter** will be documented in this file.
+All notable changes to **Series3 Agent** will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),  
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
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-## [Unreleased]
+## [1.2.1] - 2026-03-03
+
+### Changed
+- Changed the name of the program to "series3-agent", this was done to align with the s4/thor agent and because it represents the program's functionality better.
+- All instances of "emitter" changed to agent.
+- config.ini added to .gitignore, replaced with a template example file.
+- README.md updated to reflect changes.
 
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@@ -15,7 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 - Removed roster CSV dependency and all Dropbox refresh/hot-reload logic; heartbeat now only enumerates `.MLG` files.
 - Added `MAX_EVENT_AGE_DAYS` filter to ignore stale events and log when no recent activity exists.
-- Simplified heartbeat output/logging to show detected units only; logging hardened to never crash the emitter.
+- Simplified heartbeat output/logging to show detected units only; logging hardened to never crash the agent.
 
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@@ -65,7 +71,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 - Reset versioning from legacy `v5.9 beta` to **v1.0.0** (clean semver baseline).
-- Main script normalized as `series3_emitter.py`.
+- Main script normalized as `series3_emitter.py` (later renamed to `series3_agent.py` in v1.2.1).
 
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