add boxel-ui-guidelines skill doc

[burieberry]

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🔍 Workspace Sync Dry-Run Complete

✅ Dry-run completed successfully - no changes were made
📁 Target workspace: https://realms-staging.stack.cards/skills
🔗 PR: #57
ℹ️ Changes will be synced when this PR is merged to main

Dry-Run Results

Logging into Matrix...
Matrix login successful
Starting push from . to https://realms-staging.stack.cards/skills
Testing workspace access...
Workspace access verified
Found 68 files in remote workspace
Found 69 files in local directory
Uploading: .realm.json
[DRY RUN] Would upload .realm.json
Uploading: Skill/boxel-design.json
[DRY RUN] Would upload Skill/boxel-design.json
Uploading: Skill/boxel-design.md
[DRY RUN] Would upload Skill/boxel-design.md
Uploading: Skill/boxel-development.json
[DRY RUN] Would upload Skill/boxel-development.json
Uploading: Skill/boxel-environment.json
[DRY RUN] Would upload Skill/boxel-environment.json
Uploading: Skill/boxel-ui-guidelines.json
[DRY RUN] Would upload Skill/boxel-ui-guidelines.json
Uploading: Skill/catalog-listing.json
[DRY RUN] Would upload Skill/catalog-listing.json
Uploading: Skill/catalog-listing.md
[DRY RUN] Would upload Skill/catalog-listing.md
Uploading: Skill/dev-command-development.json
[DRY RUN] Would upload Skill/dev-command-development.json
Uploading: Skill/dev-command-development.md
[DRY RUN] Would upload Skill/dev-command-development.md
Uploading: Skill/dev-core-concept.json
[DRY RUN] Would upload Skill/dev-core-concept.json
Uploading: Skill/dev-core-concept.md
[DRY RUN] Would upload Skill/dev-core-concept.md
Uploading: Skill/dev-core-patterns.json
[DRY RUN] Would upload Skill/dev-core-patterns.json
Uploading: Skill/dev-core-patterns.md
[DRY RUN] Would upload Skill/dev-core-patterns.md
Uploading: Skill/dev-data-management.json
[DRY RUN] Would upload Skill/dev-data-management.json
Uploading: Skill/dev-data-management.md
[DRY RUN] Would upload Skill/dev-data-management.md
Uploading: Skill/dev-defensive-programming.json
[DRY RUN] Would upload Skill/dev-defensive-programming.json
Uploading: Skill/dev-defensive-programming.md
[DRY RUN] Would upload Skill/dev-defensive-programming.md
Uploading: Skill/dev-delegated-rendering.json
[DRY RUN] Would upload Skill/dev-delegated-rendering.json
Uploading: Skill/dev-delegated-rendering.md
[DRY RUN] Would upload Skill/dev-delegated-rendering.md
Uploading: Skill/dev-enumerations.json
[DRY RUN] Would upload Skill/dev-enumerations.json
Uploading: Skill/dev-enumerations.md
[DRY RUN] Would upload Skill/dev-enumerations.md
Uploading: Skill/dev-external-libraries.json
[DRY RUN] Would upload Skill/dev-external-libraries.json
Uploading: Skill/dev-external-libraries.md
[DRY RUN] Would upload Skill/dev-external-libraries.md
Uploading: Skill/dev-file-def.json
[DRY RUN] Would upload Skill/dev-file-def.json
Uploading: Skill/dev-file-def.md
[DRY RUN] Would upload Skill/dev-file-def.md
Uploading: Skill/dev-file-editing.json
[DRY RUN] Would upload Skill/dev-file-editing.json
Uploading: Skill/dev-file-editing.md
[DRY RUN] Would upload Skill/dev-file-editing.md
Uploading: Skill/dev-fitted-formats.json
[DRY RUN] Would upload Skill/dev-fitted-formats.json
Uploading: Skill/dev-fitted-formats.md
[DRY RUN] Would upload Skill/dev-fitted-formats.md
Uploading: Skill/dev-query-systems.json
[DRY RUN] Would upload Skill/dev-query-systems.json
Uploading: Skill/dev-query-systems.md
[DRY RUN] Would upload Skill/dev-query-systems.md
Uploading: Skill/dev-quick-reference.json
[DRY RUN] Would upload Skill/dev-quick-reference.json
Uploading: Skill/dev-quick-reference.md
[DRY RUN] Would upload Skill/dev-quick-reference.md
Uploading: Skill/dev-replicate-ai.json
[DRY RUN] Would upload Skill/dev-replicate-ai.json
Uploading: Skill/dev-replicate-ai.md
[DRY RUN] Would upload Skill/dev-replicate-ai.md
Uploading: Skill/dev-spec-usage.json
[DRY RUN] Would upload Skill/dev-spec-usage.json
Uploading: Skill/dev-spec-usage.md
[DRY RUN] Would upload Skill/dev-spec-usage.md
Uploading: Skill/dev-styling-design.json
[DRY RUN] Would upload Skill/dev-styling-design.json
Uploading: Skill/dev-styling-design.md
[DRY RUN] Would upload Skill/dev-styling-design.md
Uploading: Skill/dev-technical-rules.json
[DRY RUN] Would upload Skill/dev-technical-rules.json
Uploading: Skill/dev-technical-rules.md
[DRY RUN] Would upload Skill/dev-technical-rules.md
Uploading: Skill/dev-template-patterns.json
[DRY RUN] Would upload Skill/dev-template-patterns.json
Uploading: Skill/dev-template-patterns.md
[DRY RUN] Would upload Skill/dev-template-patterns.md
Uploading: Skill/dev-theme-design-system.json
[DRY RUN] Would upload Skill/dev-theme-design-system.json
Uploading: Skill/dev-theme-design-system.md
[DRY RUN] Would upload Skill/dev-theme-design-system.md
Uploading: Skill/env-assistant-persona.json
[DRY RUN] Would upload Skill/env-assistant-persona.json
Uploading: Skill/env-assistant-persona.md
[DRY RUN] Would upload Skill/env-assistant-persona.md
Uploading: Skill/env-calling-commands.json
[DRY RUN] Would upload Skill/env-calling-commands.json
Uploading: Skill/env-calling-commands.md
[DRY RUN] Would upload Skill/env-calling-commands.md
Uploading: Skill/env-choosing-llm-models.json
[DRY RUN] Would upload Skill/env-choosing-llm-models.json
Uploading: Skill/env-choosing-llm-models.md
[DRY RUN] Would upload Skill/env-choosing-llm-models.md
Uploading: Skill/env-creating-and-editing-cards.json
[DRY RUN] Would upload Skill/env-creating-and-editing-cards.json
Uploading: Skill/env-creating-and-editing-cards.md
[DRY RUN] Would upload Skill/env-creating-and-editing-cards.md
Uploading: Skill/env-indexing-operations.json
[DRY RUN] Would upload Skill/env-indexing-operations.json
Uploading: Skill/env-indexing-operations.md
[DRY RUN] Would upload Skill/env-indexing-operations.md
Uploading: Skill/env-markdown-edit.json
[DRY RUN] Would upload Skill/env-markdown-edit.json
Uploading: Skill/env-markdown-edit.md
[DRY RUN] Would upload Skill/env-markdown-edit.md
Uploading: Skill/env-searching-and-querying.json
[DRY RUN] Would upload Skill/env-searching-and-querying.json
Uploading: Skill/env-searching-and-querying.md
[DRY RUN] Would upload Skill/env-searching-and-querying.md
Uploading: Skill/env-sim-boxel-environment-guide.json
[DRY RUN] Would upload Skill/env-sim-boxel-environment-guide.json
Uploading: Skill/env-sim-boxel-environment-guide.md
[DRY RUN] Would upload Skill/env-sim-boxel-environment-guide.md
Uploading: Skill/env-user-environment-awareness.json
[DRY RUN] Would upload Skill/env-user-environment-awareness.json
Uploading: Skill/env-user-environment-awareness.md
[DRY RUN] Would upload Skill/env-user-environment-awareness.md
Uploading: Skill/env-workflows-and-orchestration-patterns.json
[DRY RUN] Would upload Skill/env-workflows-and-orchestration-patterns.json
Uploading: Skill/env-workflows-and-orchestration-patterns.md
[DRY RUN] Would upload Skill/env-workflows-and-orchestration-patterns.md
Uploading: Skill/source-code-editing.json
[DRY RUN] Would upload Skill/source-code-editing.json
Uploading: Skill/source-code-editing.md
[DRY RUN] Would upload Skill/source-code-editing.md
Uploading: index.json
[DRY RUN] Would upload index.json
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