Merge pull request xencon#1717 from sbadakhc/issue-1716/remove-legacy-opencode-modes-directory

Remove legacy OpenCode modes directory and update documentation (xencon#1716)

Author: sbadakhc

.opencode/modes/building.md

@@ -4,7 +4,6 @@
 
 ## Claude Code-Specific Notes
 
-- Use plan mode (`/mode planning`) before making architectural changes to `lib/cli/profile.sh` or `services/docker-compose.yml`
 - When working with shell scripts, run `shellcheck` before committing
 - For security-related changes, consult `.claude/rules/security.md`
 - All custom commands are available under `.claude/commands/`

.opencode/modes/planning.md

@@ -11,8 +11,7 @@ build on -- changes here affect the entire CLI.
 
 ## Agent Guidance
 
-**IMPORTANT:** Use plan mode (`/mode planning` in Claude Code) before making
-architectural changes to `profile.sh`. This is explicitly required by `CLAUDE.md`.
+**IMPORTANT:** Use plan mode (in Claude Code) before making architectural changes to `profile.sh`. This is a general best practice for making impactful changes.
 
 **You MAY:**
 - Add helper functions used by profile loading