Adds a standalone skill version of the SDD/architecture workflow that
requires no external config files or installed workflow paths. All 7
phases (context analysis, tech stack, decisions, patterns, structure,
validation, completion) are embedded in a single instructions.md with
full A/P/C collaboration menus and Party Mode / Advanced Elicitation
protocols.
https://claude.ai/code/session_017RezKEgbHK1fnmobKEMFMQ
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