docs: Update README and AGENTS with cli-patterns highlights

Add cli-patterns to key resources with OS keyring auth mention.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

AGENTS.md

@@ -50,6 +50,7 @@ On "INIT:" message at session start:
 |----------|-------------|
 | `rules/cli-tools.md` | Modern CLI tool preferences (rg, fd, eza, bat) |
 | `rules/thinking.md` | Extended thinking triggers (think → ultrathink) |
+| `skills/cli-patterns/` | Production CLI patterns - agentic workflows, OS keyring auth, stream separation |
 | `docs/WORKFLOWS.md` | 10 workflow patterns from Anthropic best practices |
 | `skills/tool-discovery/` | Find the right library for any task |
 | `hooks/README.md` | Pre/post execution hook examples |

README.md

@@ -136,7 +136,7 @@ See [skill-creator](skills/skill-creator/) for the complete guide.
 #### Pattern Reference Skills
 | Skill | Description |
 |-------|-------------|
-| [cli-patterns](skills/cli-patterns/) | Production CLI tool patterns - agentic workflows, stream separation, semantic exit codes |
+| [cli-patterns](skills/cli-patterns/) | Production CLI tool patterns - agentic workflows, stream separation, semantic exit codes, OS keyring auth |
 | [rest-patterns](skills/rest-patterns/) | HTTP methods, status codes, REST design patterns |
 | [tailwind-patterns](skills/tailwind-patterns/) | Tailwind utilities, responsive breakpoints, config |
 | [sql-patterns](skills/sql-patterns/) | CTEs, window functions, JOIN patterns, indexing |