Update context after branch cleanup

- Remove 4seasons branch notes

.context.json

@@ -15,15 +15,7 @@
     },
     "dev": {
       "notes": [
-        "Active development branch for seasonal palettes and emoji updates.",
-        "Seasonal palettes and installer prompts implemented.",
-        "Seasonal emoji accents with fixed lunch/dinner are enabled."
-      ]
-    },
-    "4seasons": {
-      "notes": [
-        "Branch with seasonal palettes feature set and README updates.",
-        "Includes seasonal palette image and seasonal selection documentation."
+        "Development branch; keep in sync with main unless actively changing."
       ]
     }
   },
@@ -295,6 +287,7 @@
   "notes": [
     "On Linux, installer affects all users by writing to /etc/profile.d and sourcing from /etc/bash.bashrc.",
     "On macOS, installer is per-user and sources from .bashrc/.bash_profile.",
-    "README on main references 4seasons branch for seasonal palettes and uses images/bash-pallete.png."
+    "Seasonal palettes and contest pack are now documented directly in main.",
+    "README uses images/bash-pallete.png."
   ]
 }

README.md

@@ -168,11 +168,11 @@ bash dotfiles/install/install-macos-user.sh
 
 The contest pack is a bold, DEFCON-ready set of five styles (Aurora, Neon, Forge, Circuit, Mono) with optional layout order. It always starts on a new line and ends with `@host - /path`.
 
-Note: This repo was built with AI assistance, but the contest pack itself is authored fully by Steffen.
+Note: This repo was built with AI assistance, and the contest pack itself is fully AI-authored.
 
 ---
 
-## 😀 Emoji palette (compressed)
+## 😀 Emoji palette
 
 Fixed times (all seasons):
 
@@ -191,10 +191,17 @@ Seasonal sets (sunrise / work):
 ## 🗂️ Repo Structure
 
 ```text
+.
+├── .context.json
+├── images/
+│   └── bash-pallete.png
 dotfiles/
+├── banner/
+│   └── banner.sh
 ├── ps1/
 │   └── ps1.sh
 ├── install/
+│   ├── install-global-ps1.sh
 │   ├── install-linux-global.sh
 │   ├── install-macos-user.sh
 │   └── install-nerdfont.sh
@@ -279,7 +286,7 @@ If you see squares or missing glyphs, your terminal is likely using a non-Nerd f
 This prompt shows:
 
 <p align="center">
-  <img src="images/image.png" width="900">
+  <img src="images/bash-pallete.png" width="900">
 </p>
 
 With exit-status colored arrow and emoji reflecting time of day.