Add the SQA and QC framework and project instructions

Mount the framework as a submodule at framework/ (v0.4.0), add AGENTS.md and
the installed skill copies for Codex CLI (.agents/skills) and Claude Code
(.claude/skills).

.agents/skills/artifact/templates/DICT.md

@@ -0,0 +1,37 @@
+# @TITLE@
+
+## Metadata
+| Key | Value |
+| --- | --- |
+| ID | @ID@ |
+| CrossReference | @CROSSREF@ |
+| Language | @LANGUAGE@ |
+| Domain | @DOMAIN@ |
+
+## Version History
+| Date | Status | Author | Reviewer | Change | Commit |
+| --- | --- | --- | --- | --- | --- |
+| @DATE@ | Proposed | @AUTHOR@ | <reviewer S-ID> | Initial version | pending |
+
+---
+
+## Purpose and Scope
+
+Maps each Product Owner (PO) term to its professional IT term. PO language:
+<language, from the registry's `Languages` section>.
+
+## Dictionary
+
+| PO term | Language | IT term | Definition | Used as PO term in | Used as IT term in |
+| --- | --- | --- | --- | --- | --- |
+| <term> | <da> | <Term> | <one sentence, in the PO language> | DM | OC, SD, DCD, ERD |
+
+## Rules
+
+- The Domain Model, use cases and user stories use the PO term; the Operation
+  Contract, Sequence Diagram, Design Class Diagram and ERD use the IT term.
+- One IT term per PO term and one PO term per IT term; no synonyms.
+
+---
+
+@LINKS@