chore: SETUP.md + 测试报告脚本 + 文档更新

- SETUP.md: 完整环境搭建指南（同事用）
- SETUP_QUICK.md: 快速搭环境（4步）
- s22~s26: TNA端到端、覆盖率报告、回归检查
- procedure_grammar.lark: 实验性Lark语法

Co-Authored-By: Claude <noreply@anthropic.com>

test-data/cobol/hina_all/H001-MATCH-1TO1.cbl

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+      * HINA 001: 1:1 MATCHING
+      * 2 input files, IF KEY compare, 3-way branching
+       IDENTIFICATION DIVISION.
+       PROGRAM-ID. H001.
+       ENVIRONMENT DIVISION.
+       INPUT-OUTPUT SECTION.
+       FILE-CONTROL.
+           SELECT FILE-A ASSIGN TO 'FILEA.DAT'.
+           SELECT FILE-B ASSIGN TO 'FILEB.DAT'.
+       DATA DIVISION.
+       FILE SECTION.
+       FD FILE-A. 01 REC-A PIC X(80).
+       FD FILE-B. 01 REC-B PIC X(80).
+       WORKING-STORAGE SECTION.
+       01 WS-KEY-A PIC X(10). 01 WS-KEY-B PIC X(10).
+       01 WS-EOF-A PIC X VALUE 'N'. 01 WS-EOF-B PIC X VALUE 'N'.
+       PROCEDURE DIVISION.
+       MAIN.
+           OPEN INPUT FILE-A FILE-B.
+           READ FILE-A INTO REC-A AT END MOVE 'Y' TO WS-EOF-A.
+           READ FILE-B INTO REC-B AT END MOVE 'Y' TO WS-EOF-B.
+           PERFORM UNTIL WS-EOF-A = 'Y' OR WS-EOF-B = 'Y'
+               IF WS-KEY-A = WS-KEY-B
+                   DISPLAY 'MATCH'
+                   READ FILE-A AT END MOVE 'Y' TO WS-EOF-A
+                   READ FILE-B AT END MOVE 'Y' TO WS-EOF-B
+               ELSE IF WS-KEY-A < WS-KEY-B
+                   READ FILE-A AT END MOVE 'Y' TO WS-EOF-A
+               ELSE
+                   READ FILE-B AT END MOVE 'Y' TO WS-EOF-B
+               END-IF
+           END-PERFORM.
+           CLOSE FILE-A FILE-B. STOP RUN.