P7A Segmentation Reference — 76 Units

Source: P7A Step 1–3 report + Checkpoint A patches (CKA-2, CKA-3, CKA-5, CKA-6) Purpose: Agent reference for C2B seed. Maps source headings → canonical addresses.

HOW-TO-READ — 8 units, doc_code = D38-HOWTO

#	canonical_address	parent	sort	section_type	title	body_handling
1	D38-HOWTO-ROOT	—	0	heading	HOW TO READ — Đ38 Text as Code	own_body (blockquote)
2	D38-HOWTO-S1	ROOT	1	process	Thứ tự đọc bắt buộc	own_body (numbered list)
3	D38-HOWTO-S2	ROOT	2	principle	Rule mâu thuẫn — thứ tự hiệu lực	own_body (5 rules + Nôm na)
4	D38-HOWTO-S3	ROOT	3	heading	Interpretation notes sau Mainline Cross-check	own_body (intro paragraph)
5	D38-HOWTO-S3-P1	S3	1	definition	IN-1 — Document-centric language	own_body
6	D38-HOWTO-S3-P2	S3	2	definition	IN-2 — Đ24 label mapping	own_body
7	D38-HOWTO-S3-P3	S3	3	definition	IN-3 — section_type classification	own_body
8	D38-HOWTO-S4	ROOT	4	governance_process	Không đọc — exclusion scope	own_body

C1A — 34 units, doc_code = D38-C1A

#	canonical_address	parent	sort	section_type	title	body_handling
1	D38-C1A-ROOT	—	0	heading	C1A — Segmentation Operating Model	own_body (metadata)
2	D38-C1A-S1	ROOT	1	paragraph	Mục đích, phạm vi & vị trí	own_body (merged §1.1–1.3)
3	D38-C1A-S2	ROOT	2	reference_mapping	Inputs pháp lý và thiết kế	own_body (table)
4	D38-C1A-S3	ROOT	3	heading	Định nghĩa vận hành của miếng thông tin	structural_node (body=NULL)
5	D38-C1A-S3-P1	S3	1	definition	Định nghĩa miếng + bộ kiểm tra 3 câu	own_body (merged §3.1+3.2)
6	D38-C1A-S3-P2	S3	2	definition	Phân biệt 4 khái niệm cốt lõi	own_body (table)
7	D38-C1A-S3-P3	S3	3	principle	Bốn nguyên tắc lõi NL1–NL4	own_body
8	D38-C1A-S4	ROOT	4	heading	Segmentation rules — quy tắc cắt chung	structural_node (body=NULL)
9	D38-C1A-S4-P1	S4	1	principle	SR-1: Title rõ + sửa riêng → 1 unit	own_body
10	D38-C1A-S4-P2	S4	2	principle	SR-2: Không title → body unit cha	own_body
11	D38-C1A-S4-P3	S4	3	principle	SR-3: Sửa A kéo sửa B → gộp	own_body
12	D38-C1A-S4-P4	S4	4	principle	SR-4: Quá ngắn, không authority → gộp	own_body
13	D38-C1A-S4-P5	S4	5	principle	SR-5: Cắt theo nghĩa, không cơ học	own_body
14	D38-C1A-S4-P6	S4	6	principle	SR-6: Title mô tả ý, cấm A/B/C	own_body
15	D38-C1A-S4-P7	S4	7	principle	SR-7: Mỗi unit đúng 1 canonical parent	own_body
16	D38-C1A-S5	ROOT	5	heading	Edge-case rules — nội dung đặc thù	structural_node (body=NULL)
17	D38-C1A-S5-P1	S5	1	principle	OD-PILOT-01: Code/config block — body default	own_body
18	D38-C1A-S5-P2	S5	2	principle	OD-PILOT-02: Heading-only section	own_body
19	D38-C1A-S5-P3	S5	3	principle	OD-PILOT-03: Mission/instruction block atomic	own_body
20	D38-C1A-S5-P4	S5	4	principle	OD-PILOT-04: section_type vocabulary mapping	own_body
21	D38-C1A-S5-P5	S5	5	principle	OD-PILOT-05: Hard-limit matrix/table	own_body
22	D38-C1A-S5-P6	S5	6	principle	OD-PILOT-06: C2 field responsibility matrix	own_body
23	D38-C1A-S5-P7	S5	7	paragraph	Edge cases bổ sung — 6 mini rules gộp	own_body (§5.7)
24	D38-C1A-S6	ROOT	6	reference_mapping	section_type vocabulary — candidate list	own_body (table + cảnh báo)
25	D38-C1A-S7	ROOT	7	paragraph	Label assignment rules — Đ24 integration	own_body (merged §7.1–7.4)
26	D38-C1A-S8	ROOT	8	paragraph	Length management — flag, threshold, rules	own_body (merged §8.1–8.3, 8.5)
27	D38-C1A-S8-P1	S8	1	process	Publish/enact gate — 3 decisions	own_body (§8.4)
28	D38-C1A-S9	ROOT	9	paragraph	Publication assembly — membership, snapshot, lifecycle	own_body (merged §9.1–9.3, 9.5–9.7)
29	D38-C1A-S9-P1	S9	1	principle	Label ≠ membership — CI-4	own_body (§9.4)
30	D38-C1A-S10	ROOT	10	paragraph	Vector projection rules	own_body (merged §10.1–10.6)
31	D38-C1A-S11	ROOT	11	paragraph	Agent authority model	own_body (merged §11.1–11.6)
32	D38-C1A-S12	ROOT	12	invariant_list	Invariants CI-1 → CI-12	own_body (table)
33	D38-C1A-S13	ROOT	13	open_decision_list	Open decisions OD-C1A-01 → OD-C1A-13	own_body (table)
34	D38-C1A-S14	ROOT	14	paragraph	Ghi chú cuối — thứ tự hiệu lực	own_body

P5 — 34 units, doc_code = D38-P5

#	canonical_address	parent	sort	section_type	title	body_handling
1	D38-P5-ROOT	—	0	heading	P5 — Schema Draft v0.2: Text as Code	own_body (metadata)
2	D38-P5-S1	ROOT	1	paragraph	Mục tiêu P5	own_body
3	D38-P5-S2	ROOT	2	paragraph	Phạm vi / Không làm	own_body (merged §2.1+2.2)
4	D38-P5-S3	ROOT	3	heading	Nguyên tắc thiết kế	structural_node (body=NULL)
5	D38-P5-S3-P1	S3	1	principle	DP-1: 2 bảng logical_unit + unit_version	own_body
6	D38-P5-S3-P2	S3	2	principle	DP-2: Publication + membership junction	own_body
7	D38-P5-S3-P3	S3	3	principle	DP-3: Labels dùng Đ24 entity_labels	own_body
8	D38-P5-S3-P4	S3	4	principle	DP-4: section_type = FK vocab	own_body
9	D38-P5-S3-P5	S3	5	principle	DP-5: Profile metadata phân tầng JSONB	own_body
10	D38-P5-S3-P6	S3	6	principle	DP-6: publication_member = table	own_body
11	D38-P5-S3-P7	S3	7	principle	DP-7: Canonical address UNIQUE	own_body
12	D38-P5-S4	ROOT	4	technical_spec	Entity map — relationship overview	own_body (ASCII diagram)
13	D38-P5-S5	ROOT	5	heading	Draft table/collection model	own_body (warning blockquote)
14	D38-P5-S5-P1	S5	1	technical_spec	logical_unit — table specification	own_body (DDL)
15	D38-P5-S5-P2	S5	2	technical_spec	unit_version — table specification	own_body (DDL)
16	D38-P5-S5-P3	S5	3	technical_spec	publication — table specification	own_body (DDL)
17	D38-P5-S5-P4	S5	4	technical_spec	publication_member — table specification	own_body (DDL)
18	D38-P5-S5-P5	S5	5	technical_spec	section_type_vocab — table specification	own_body (DDL)
19	D38-P5-S5-P6	S5	6	technical_spec	publication_type_vocab — table specification	own_body (DDL)
20	D38-P5-S5-P7	S5	7	technical_spec	change_set — table specification (hook)	own_body (DDL)
21	D38-P5-S5-P8	S5	8	technical_spec	change_set_member — table specification (hook)	own_body (DDL)
22	D38-P5-S6	ROOT	6	reference_mapping	Relationship model	own_body (merged §6.1–6.6)
23	D38-P5-S7	ROOT	7	heading	Lifecycle / Versioning model	structural_node (body=NULL)
24	D38-P5-S7-P1	S7	1	process	Unit version lifecycle — transitions	own_body (ASCII + rules)
25	D38-P5-S7-P2	S7	2	process	LU, publication, CS lifecycle + versioning	own_body (merged §7.2–7.5)
26	D38-P5-S8	ROOT	8	paragraph	Label integration with Đ24	own_body (merged §8.1–8.4)
27	D38-P5-S9	ROOT	9	paragraph	Publication / Membership rules	own_body (merged §9.1–9.3)
28	D38-P5-S10	ROOT	10	paragraph	Vector projection hooks	own_body (merged §10.1–10.5)
29	D38-P5-S11	ROOT	11	paragraph	Review / Change-set / APR hooks	own_body (merged §11.1–11.4)
30	D38-P5-S12	ROOT	12	paragraph	Birth gate readiness	own_body (merged §12.1–12.3)
31	D38-P5-S13	ROOT	13	open_decision_list	Open decisions OD-P5-01 → OD-P5-11	own_body
32	D38-P5-S14	ROOT	14	invariant_list	PASS criteria + Constitutional check	own_body
33	D38-P5-S15	ROOT	15	invariant_list	Invariants INV-*	own_body
34	D38-P5-S16	ROOT	16	changelog	GPT Review Patch log	own_body

Merge rules summary

• Merged sections (body = combined H3 subsections into H2 parent): C1A §1(1.1–1.3), §3(3.1+3.2), §7(7.1–7.4), §8(8.1–8.3+8.5), §9(9.1–9.3+9.5–9.7), §10(10.1–10.6), §11(11.1–11.6). P5 §2(2.1+2.2), §6(6.1–6.6), §7(7.2–7.5), §8(8.1–8.4), §9(9.1–9.3), §10(10.1–10.5), §11(11.1–11.4), §12(12.1–12.3).
• Structural nodes (body=NULL): C1A S3, S4, S5. P5 S3, S7.
• Tách riêng (CKA patches): C1A §8.4→S8-P1, §9.4→S9-P1. P5 patch log→S16.