Cleanup more copilot related things

[kdeal]

Summary by CodeRabbit

• New Features

  • Added OpenCode to the environment’s global package installation.

• Changes

  • Removed Copilot language-server from the default setup and disabled Copilot in Neovim’s LSP configuration.
  • Removed the related Copilot Neovim plugin lock entry.
  • Updated Sidekick configuration to disable nes and adjusted its keybindings (removed some mappings).

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 479ac5ca-2b91-435f-84ec-a7ecdeed08e5

📥 Commits

Reviewing files that changed from the base of the PR and between 494564d and 8a34b9e.

📒 Files selected for processing (5)

• xdg_config/cmd_install/config.toml
• xdg_config/fish/functions/devenv.fish
• xdg_config/nvim/lazy-lock.json
• xdg_config/nvim/lua/plugins/llm.lua
• xdg_config/nvim/lua/plugins/lsp.lua

💤 Files with no reviewable changes (3)

• xdg_config/nvim/lua/plugins/lsp.lua
• xdg_config/cmd_install/config.toml
• xdg_config/nvim/lazy-lock.json

🚧 Files skipped from review as they are similar to previous changes (1)

• xdg_config/fish/functions/devenv.fish

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Walkthrough

The configuration replaces the global Copilot language-server package with opencode-ai@latest, removes Copilot from the default development package list and Neovim LSP setup, and deletes its plugin lock entry. Sidekick NES is disabled, with its suggestion and CLI selection mappings removed while the CLI toggle remains.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• kdeal/cs-dotfiles#76: Removes the same blink-copilot lock entry.
• kdeal/cs-dotfiles#81: Changes the same Fish and Neovim Copilot integration points.
• kdeal/cs-dotfiles#87: Also modifies the Sidekick.nvim setup and keybindings.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title is clearly related to the changes, which remove and reconfigure several Copilot-related tools and settings.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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[chatgpt-codex-connector]

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Reviewed commit: 494564d60d

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[chatgpt-codex-connector]

Disable Sidekick NES when dropping Copilot

When this base environment no longer installs copilot-language-server, the Neovim config still loads folke/sidekick.nvim with default nes.enabled and a <Tab> mapping that calls require("sidekick").nes_jump_or_apply() in xdg_config/nvim/lua/plugins/llm.lua. Sidekick’s own requirements state that NES needs the official Copilot language server enabled with vim.lsp.enable (https://github.com/folke/sidekick.nvim#requirements), so fresh installs now keep an enabled-but-nonfunctional NES feature and failing :checkhealth sidekick; if Copilot is intentionally removed, set nes = { enabled = false } or remove the NES keymap too.

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