feat: land superpaper v1 notes scaffold

Add the ledger schema, class router, lint codes, ingest/build
pipeline, and three work-tree examples: align derivation,
superfig delegation, and supertensor delegation.

tests/ledger-invalid/align-has-include.yaml

@@ -0,0 +1,29 @@
+schema: superpaper.ledger/v1
+retired_ids: []
+paper:
+  id: toy
+  title: Toy
+  source: {kind: excerpt}
+coverage:
+  mode: excerpt
+questions: []
+claims:
+  - {id: C1, text: core claim, kind: contribution, status: core}
+definitions: []
+assumptions: []
+lemmas: []
+symbols: []
+derivations: []
+figures:
+  - id: F1
+    claim: C1
+    title: align
+    grammar: derivation
+    toolkit: align
+    signals: [rewrite-figure]
+    include: figures/F1/build/F1.pdf
+    status: included
+
+evidence: []
+terms: []
+source_assets: []

tests/ledger-invalid/bad-toolkit.yaml

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+schema: superpaper.ledger/v1
+retired_ids: []
+paper:
+  id: toy
+  title: Toy
+  source: {kind: excerpt}
+coverage:
+  mode: excerpt
+questions: []
+claims:
+  - {id: C1, text: core claim, kind: contribution, status: core}
+definitions: []
+assumptions: []
+lemmas: []
+symbols: []
+derivations: []
+figures:
+  - id: F1
+    claim: C1
+    title: bad
+    grammar: pipeline
+    toolkit: not-a-toolkit
+    signals: [pipeline]
+    status: planned
+
+evidence: []
+terms: []
+source_assets: []

tests/ledger-invalid/dangling-claim.yaml

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+schema: superpaper.ledger/v1
+retired_ids: []
+paper:
+  id: toy
+  title: Toy
+  source: {kind: excerpt}
+coverage:
+  mode: excerpt
+questions: []
+claims:
+  - {id: C1, text: core claim, kind: contribution, status: core}
+definitions: []
+assumptions: []
+lemmas: []
+symbols: []
+derivations: []
+figures:
+  - id: F1
+    claim: C99
+    title: dangling
+    grammar: pipeline
+    toolkit: superfig
+    signals: [pipeline]
+    status: planned
+
+evidence: []
+terms: []
+source_assets: []

tests/ledger-invalid/duplicate-id.yaml

@@ -0,0 +1,21 @@
+schema: superpaper.ledger/v1
+retired_ids: []
+paper:
+  id: toy
+  title: Toy
+  source: {kind: excerpt}
+coverage:
+  mode: excerpt
+questions: []
+claims:
+  - {id: C1, text: one, kind: contribution, status: core}
+  - {id: C1, text: two, kind: contribution, status: supporting}
+definitions: []
+assumptions: []
+lemmas: []
+symbols: []
+derivations: []
+figures: []
+evidence: []
+terms: []
+source_assets: []

tests/ledger-invalid/included-null-include.yaml

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+schema: superpaper.ledger/v1
+retired_ids: []
+paper:
+  id: toy
+  title: Toy
+  source: {kind: excerpt}
+coverage:
+  mode: excerpt
+questions: []
+claims:
+  - {id: C1, text: core claim, kind: contribution, status: core}
+definitions: []
+assumptions: []
+lemmas: []
+symbols: []
+derivations: []
+figures:
+  - id: F1
+    claim: C1
+    title: vector
+    grammar: pipeline
+    toolkit: superfig
+    signals: [pipeline]
+    include: null
+    request: figures/F1/F1.request.md
+    status: included
+
+evidence: []
+terms: []
+source_assets: []

tests/ledger-invalid/missing-paper-id.yaml

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+schema: superpaper.ledger/v1
+paper:
+  title: Missing id
+  source: {kind: excerpt}
+coverage:
+  mode: excerpt

tests/ledger-invalid/mixed-signals.yaml

@@ -0,0 +1,28 @@
+schema: superpaper.ledger/v1
+retired_ids: []
+paper:
+  id: toy
+  title: Toy
+  source: {kind: excerpt}
+coverage:
+  mode: excerpt
+questions: []
+claims:
+  - {id: C1, text: core claim, kind: contribution, status: core}
+definitions: []
+assumptions: []
+lemmas: []
+symbols: []
+derivations: []
+figures:
+  - id: F1
+    claim: C1
+    title: mixed
+    grammar: architecture
+    toolkit: superfig
+    signals: [axis, architecture]
+    status: planned
+
+evidence: []
+terms: []
+source_assets: []

tests/ledger-invalid/none-not-dropped.yaml

@@ -0,0 +1,28 @@
+schema: superpaper.ledger/v1
+retired_ids: []
+paper:
+  id: toy
+  title: Toy
+  source: {kind: excerpt}
+coverage:
+  mode: excerpt
+questions: []
+claims:
+  - {id: C1, text: core claim, kind: contribution, status: core}
+definitions: []
+assumptions: []
+lemmas: []
+symbols: []
+derivations: []
+figures:
+  - id: F1
+    claim: C1
+    title: none
+    grammar: none
+    toolkit: none
+    signals: []
+    status: planned
+
+evidence: []
+terms: []
+source_assets: []

tests/ledger-invalid/retired-reuse.yaml

@@ -0,0 +1,20 @@
+schema: superpaper.ledger/v1
+retired_ids: [C1]
+paper:
+  id: toy
+  title: Toy
+  source: {kind: excerpt}
+coverage:
+  mode: excerpt
+questions: []
+claims:
+  - {id: C1, text: core claim, kind: contribution, status: core}
+definitions: []
+assumptions: []
+lemmas: []
+symbols: []
+derivations: []
+figures: []
+evidence: []
+terms: []
+source_assets: []

tests/ledger-invalid/screenshot-bad-include.yaml

@@ -0,0 +1,29 @@
+schema: superpaper.ledger/v1
+retired_ids: []
+paper:
+  id: toy
+  title: Toy
+  source: {kind: excerpt}
+coverage:
+  mode: excerpt
+questions: []
+claims:
+  - {id: C1, text: core claim, kind: contribution, status: core}
+definitions: []
+assumptions: []
+lemmas: []
+symbols: []
+derivations: []
+figures:
+  - id: F2
+    claim: C1
+    title: shot
+    grammar: screenshot
+    toolkit: screenshot
+    signals: [table]
+    include: figures/F2/wrong.png
+    status: included
+
+evidence: []
+terms: []
+source_assets: []

tests/ledger-invalid/superderive-v1.yaml

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+schema: superpaper.ledger/v1
+retired_ids: []
+paper:
+  id: toy
+  title: Toy
+  source: {kind: excerpt}
+coverage:
+  mode: excerpt
+questions: []
+claims:
+  - {id: C1, text: core claim, kind: contribution, status: core}
+definitions: []
+assumptions: []
+lemmas: []
+symbols: []
+derivations: []
+figures:
+  - id: F1
+    claim: C1
+    title: derive
+    grammar: derivation
+    toolkit: superderive
+    signals: [rewrite-figure]
+    status: planned
+
+evidence: []
+terms: []
+source_assets: []

tests/ledger-invalid/toolkit-mismatch.yaml

@@ -0,0 +1,28 @@
+schema: superpaper.ledger/v1
+retired_ids: []
+paper:
+  id: toy
+  title: Toy
+  source: {kind: excerpt}
+coverage:
+  mode: excerpt
+questions: []
+claims:
+  - {id: C1, text: core claim, kind: contribution, status: core}
+definitions: []
+assumptions: []
+lemmas: []
+symbols: []
+derivations: []
+figures:
+  - id: F1
+    claim: C1
+    title: mismatch
+    grammar: screenshot
+    toolkit: superfig
+    signals: [loss-curve]
+    status: planned
+
+evidence: []
+terms: []
+source_assets: []