Add contextual SOP/skill loading

[monkut]

Context

Research into agent-skills shows that contextual auto-activation is effective: designing an API automatically triggers the api-and-interface-design skill, building UI triggers frontend-ui-engineering. This minimizes token overhead by loading only relevant context.

Proposal

Add the ability for askcc-cli to auto-detect task type from issue context and load relevant SOPs/skills:

• Parse issue title, body, and labels to classify the task type (API design, frontend, debugging, database, etc.)
• Load only the relevant SOP(s) for that task type into the agent's context
• Fall back to a general-purpose SOP when classification is ambiguous

Rationale

Loading all SOPs into context wastes tokens and dilutes focus. Contextual loading:

• Reduces token usage (progressive disclosure pattern)
• Gives the agent focused, relevant guidance
• Scales as the SOP library grows without increasing per-task overhead

References

• agent-skills: contextual activation based on what the agent is doing
• agent-skills: progressive disclosure — core guidance loads first, supplementary references only when needed