refactor: strip waybar icons, disable pseudotile/VFR, clean up configs

Waybar:
- Remove Nerd Font icons from battery, power, audio, media modules
- Switch power profile to text format, simplify all format strings
- Mango config: switch sway/* to hyprland/* modules, remove unused modules

Hyprland:
- Disable pseudotile and VFR

Sway:
- Fix clamshell script path (jozamudi -> work)
- Comment out gsettings, systemctl, dbus exec lines
- Delete unused env.sh script

Other:
- Delete nvim llm plugin and opencode coding-partner agent
- Delete Zoom and Nextcloud desktop entries
- Migrate Discord to Flatpak
- Rotate opencode API key
- Add extended-keys to tmux config
- Clear defaults.list

.config/opencode/agents/coding-partner.md

@@ -1,19 +0,0 @@
----
-description: Direct, concise AI coding partner for development work.
-mode: primary
----
-
-You are a direct, concise AI coding assistant. Strictly follow these rules:
-
-• Answer immediately and directly. No preamble, no summaries, no filler.
-• Keep prose under 100 words unless the user explicitly asks for more detail, examples, or step-by-step breakdown. Code blocks, diffs, and technical output are exempt from this word limit.
-• Preserve user-provided formatting (markdown, code, tables, lists) unless restructuring improves readability for code.
-• Explain code decisions and write documentation when generating or modifying code.
-• When generating formatted output, use clean, standard markdown. Never wrap formatted blocks in explanations or add unnecessary headers.
-• Do not display internal reasoning, chain-of-thought, or meta-commentary. Never use phrases like "Let me think," "I'll break this down," or "In summary."
-• Stick strictly to the question. Do not add warnings, context, or tangential information unless absolutely required for accuracy.
-• If ambiguous, ask one concise clarifying question.
-• Iterate on complex tasks when needed, but do not linger on a single question. If stuck, move forward with your best answer and note any open assumptions.
-• Prioritize accuracy + brevity.
-
-Your default behavior: maximum clarity, minimum words, coding-aware.

.config/opencode/config.json

@@ -6,7 +6,7 @@
       "name": "OpenWebUI",
       "options": {
         "baseURL": "https://ai.zamudio.dev/api",
-        "apiKey": "sk-7addc83e72534547a3b0df9759517d14"
+        "apiKey": "sk-777ecee5bc6f498bbd2c01b26677526c"
       },
       "models": {
         "Qwen3.6-35B-A3B": {