docs: remove IEM references; describe the principles as standalone

Author: simpulton

PLAN.md

@@ -1,9 +1,9 @@
 # modern-coding-quickstart — Build Plan
 
-> A self-paced, hands-on workshop that teaches the **nine architectural principles** of the
-> [IEM constitution](../iem-planning-augmentation/docs/constitution.md) — DDD layering, CQRS,
-> Dependency Injection, Type Safety, ESM Imports, Functional Cohesion, Code Documentation,
-> Contract Testing, and Git Discipline — against a real, fully-functional reference app.
+> A self-paced, hands-on workshop that teaches **nine core architectural principles** —
+> DDD layering, CQRS, Dependency Injection, Type Safety, ESM Imports, Functional Cohesion,
+> Code Documentation, Contract Testing, and Git Discipline (see [docs/constitution.md](docs/constitution.md))
+> — against a real, fully-functional reference app.
 > Learners read the principle, then implement it in code, and diff their work against a canonical
 > answer key. Sibling project to [`modern-e2e-quickstart`](../modern-e2e-quickstart), which it
 > deliberately mirrors in structure, mechanics, and reference domain.
@@ -186,7 +186,7 @@ modern-coding-quickstart/
 │   └── 10-capstone/README.md
 ├── docs/
 │   ├── intro.md
-│   ├── constitution.md              # copied/adapted from iem-planning-augmentation
+│   ├── constitution.md              # the project's architecture constitution
 │   ├── participant-workflow.md      # tags, branches, git diff, the npm/yarn module scripts
 │   ├── cheatsheet.md                # commands, seed users, layer map, locator strategy
 │   └── troubleshooting.md
@@ -424,7 +424,7 @@ When you start:
 
 1. Confirm the target directory contains only `PLAN.md` (and optionally `CLAUDE.md`).
 2. Read `PLAN.md` top to bottom, then read
-   `../iem-planning-augmentation/docs/constitution.md` and skim
+   `docs/constitution.md` and skim
    `../modern-e2e-quickstart/_internal/PLAN.md` (the structural template) and its `scripts/module.mjs`.
 3. The §12 decisions are **resolved** — proceed on them. Re-confirm only if something in the spike contradicts one.
 4. Run the Phase A **Step 0 stack spike** before committing to full scaffolding.

README.md

@@ -1,9 +1,9 @@
 # modern-coding-quickstart
 
-A self-paced, hands-on workshop that teaches the **nine architectural principles** of the IEM
-constitution — DDD layering, CQRS, Dependency Injection, Type Safety, ESM Imports, Functional
-Cohesion, Code Documentation, Contract Testing, and Git Discipline — against a real, fully-functional
-reference app. Sibling to [`modern-e2e-quickstart`](../modern-e2e-quickstart).
+A self-paced, hands-on workshop that teaches **nine core architectural principles** — DDD layering,
+CQRS, Dependency Injection, Type Safety, ESM Imports, Functional Cohesion, Code Documentation,
+Contract Testing, and Git Discipline — against a real, fully-functional reference app. Sibling to
+[`modern-e2e-quickstart`](../modern-e2e-quickstart).
 
 > Status: complete — the reference app plus all 11 workshop modules (tags `00-setup` … `10-complete`).
 

docs/constitution.md

@@ -1,6 +1,6 @@
 # Architecture Principles
 
-These are the architectural principles and development standards we follow for the IEM Planning Augmentation system. Read sections I-IX to understand our core conventions, and refer back to specific sections during code review.
+These are the architectural principles and development standards for this project. Read sections I-IX to understand the core conventions, and refer back to specific sections during code review.
 
 ## Contents
 

docs/intro.md

@@ -1,8 +1,8 @@
 # Introduction
 
-`modern-coding-quickstart` is a self-paced workshop that teaches the **nine
-architectural principles** of the IEM constitution by having you *write the code
-that embodies them* against a real, working reference application.
+`modern-coding-quickstart` is a self-paced workshop that teaches **nine core
+architectural principles** by having you *write the code that embodies them*
+against a real, working reference application.
 
 You don't read about DDD and nod along — you add a slice across six layers and
 watch the boundary linter reject a wrong import. You don't read about CQRS — you