docs: default design_ledger path to docs/design/INDEX.md

Align the design_ledger profile-slot default and its illustrative
references with the docs/ layout used by the other path slots.
Historical specs/plans are left untouched as cycle records.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

docs/design.md

@@ -12,7 +12,7 @@ in a per-project profile).
 The litmus test: would a sentence in a SKILL or agent body
 still make sense in a Python web project, a Rust CLI, and a
 TypeScript library? If yes, plugin. If it mentions `cargo`,
-`crates/`, `design/INDEX.md`, `Form A`, or any project-specific
+`crates/`, `docs/design/INDEX.md`, `Form A`, or any project-specific
 identifier, it goes to the profile (as a slot) or to the
 project's `CLAUDE.md` (as sittenkodex).
 

docs/migration.md

@@ -73,7 +73,7 @@ the structural binding.
 ## Migration checklist per skill
 
 1. Strip project-specific paths (`docs/specs`, `docs/plans`,
-   `design/INDEX.md`, `crates/`, `bench/`).
+   `docs/design/INDEX.md`, `crates/`, `bench/`).
 2. Strip project-specific commands (`cargo build`,
    `bench/check.py`).
 3. Replace literals with profile-slot references in prose.
@@ -91,7 +91,7 @@ the structural binding.
 1. Drop the `ailang-` prefix from the `name:` frontmatter
    field. The skill path is the disambiguator.
 2. Replace hardcoded standing-reading paths
-   (`design/INDEX.md`, etc.) with a reference to the profile's
+   (`docs/design/INDEX.md`, etc.) with a reference to the profile's
    `standing_reading` section.
 3. Replace project-specific Iron Law clauses with the universal
    discipline constants; project-specific clauses go to the

docs/profile-schema.md

@@ -12,7 +12,7 @@ lowercase snake_case. Lists are YAML sequences.
 | `spec_dir`          | string | `docs/specs`           | Where the brainstorm skill writes specs. |
 | `plan_dir`          | string | `docs/plans`           | Where the planner skill writes plans. |
 | `glossary`          | string | (unset)                | Canonical-nomenclature file (optional). If set, it is standing reading for every role — no separate `standing_reading.always` entry is needed; unset is a documented no-op. See `glossary-convention.md`. |
-| `design_ledger`     | string | `design/INDEX.md`      | Canonical specification index (optional — projects without a design ledger can omit). |
+| `design_ledger`     | string | `docs/design/INDEX.md` | Canonical specification index (optional — projects without a design ledger can omit). |
 | `design_contracts`  | string | `design/contracts`     | Directory of prose-authoritative contracts (optional). |
 | `design_models`     | string | `design/models`        | Directory of onboarding whitepapers (optional). |
 | `code_roots`        | list   | `[src]`                | Code directories the architect / quality reviewer walk. |

templates/project-profile.yml

@@ -9,7 +9,7 @@ paths:
   plan_dir: docs/plans
   # glossary: docs/glossary.md           # optional — if set, read as
                                          # standing reading by every role
-  # design_ledger: design/INDEX.md       # optional
+  # design_ledger: docs/design/INDEX.md  # optional
   # design_contracts: design/contracts   # optional
   # design_models: design/models         # optional
   code_roots: [src]