v6 T14b: J14 LCSC + bump kicad

T14 script extended (idempotent): J14 gets LCSC C2977286 and a primary-SIM
description. ERC 0 errors.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YJ4eAB6zjQT49RVwpgfKdt

03-Architecture-Hardware/kicad

@@ -1 +1 @@
-Subproject commit bb78cb8888264a55cfa52187e36521bc50e21dd7
+Subproject commit 0288bd0f3f0fe1be59ccb173f1e303e48d227a9b

scripts/2026-09-25_v6_T14_sim_holder_primary.py

@@ -12,6 +12,8 @@ This script (schematic only — the PCB picks it up via Update PCB from Schemati
        - no-connect flags on J14 C6 (VPP), CSW, DSW
        - PWR_FLAG on /SIMB_VDD and /SIMA_VDD (both are fed through 0R jumpers,
          so ERC could not see a driver)
+  3. Gives J14 its LCSC field (C2977286) so it lands in the JLCPCB BOM, and rewrites its
+     instance Description (was "DNP alternate to U22").
 
 Method: clone-and-transform from existing blocks in the same file (PF19 for the flags,
 an existing no_connect), fresh UUIDs, invariant guards. Dry-run by default.
@@ -25,6 +27,9 @@ POPULATE = ['J14', 'R131', 'R132', 'R133', 'R134']
 MAKE_DNP = ['U22', 'R127', 'R128', 'R129', 'R130']
 NO_CONNECT = [(327.3, 487.54), (352.7, 482.46), (352.7, 485.0)]      # J14 C6, CSW, DSW
 FLAGS = [('PF20', 310.0, 453.81, 'SIMB_VDD'), ('PF21', 310.0, 423.81, 'SIMA_VDD')]
+J14_LCSC = 'C2977286'   # JAE SF72S006VBDR2500 — JLC "Pre-ordered Products": pre-order stock before PCBA
+J14_DESC = ('Nano-SIM holder JAE SF72S006VBDR2500 (LCSC C2977286) - PRIMARY SIM since T14 '
+            '(2026-09-25, Telcel will not supply MFF2). U22 MFF2 is the DNP alternate.')
 
 def span(s, i):
     d = 0; instr = False; esc = False; j = i
@@ -106,6 +111,26 @@ def main():
         cut = s.rstrip().rfind('\n)')
         s = s[:cut] + add + s[cut:]
 
+    # 3. J14 becomes a JLCPCB-assembled part: give it the LCSC field (cloned from R131's
+    #    LCSC property block) and fix its instance Description, which still said "DNP alternate".
+    a, e = sym_block(s, 'J14'); blk = s[a:e]
+    if not re.search(r'\(property "LCSC" ', blk):
+        ra, re_ = sym_block(s, 'R131'); rblk = s[ra:re_]
+        m = re.search(r'\n\t\t\(property "LCSC" "', rblk)
+        pa = m.start() + 3; lc = rblk[pa:span(rblk, pa)]      # from '(' — indent added below
+        lc = re.sub(r'"LCSC" "[^"]*"', f'"LCSC" "{J14_LCSC}"', lc, count=1)
+        jx, jy = re.search(r'\n\t\t\(at (-?[\d.]+) (-?[\d.]+) ', blk).groups()
+        lc = re.sub(r'\(at [^)]*\)', f'(at {jx} {jy} 0)', lc, count=1)
+        d = re.search(r'\n\t\t\(property "Description" "', blk)
+        da = d.start() + 1; de = span(blk, da)
+        blk = blk[:de] + '\n\t\t' + lc + blk[de:]
+        changes.append(f'J14: + LCSC {J14_LCSC}')
+    old_desc = '"Nano-SIM holder JAE SF72S006 (LCSC C2977286) - DNP alternate to U22"'
+    if old_desc in blk:
+        blk = blk.replace(old_desc, '"' + J14_DESC + '"', 1)
+        changes.append('J14: Description -> primary SIM')
+    s = s[:a] + blk + s[e:]
+
     # guards
     assert balanced(s), 'output not paren-balanced'
     uuids1 = UUID.findall(s)
@@ -118,6 +143,8 @@ def main():
         a, e = sym_block(s, ref); assert '\n\t\t(dnp no)' in s[a:e], ref
     for ref in MAKE_DNP:
         a, e = sym_block(s, ref); assert '\n\t\t(dnp yes)' in s[a:e], ref
+    a, e = sym_block(s, 'J14')
+    assert f'(property "LCSC" "{J14_LCSC}"' in s[a:e], 'J14 LCSC missing'
 
     print(f'{len(changes)} change(s):'); [print('  ', c) for c in changes]
     print(f'UUIDs: {len(uuids0)} kept, {len(uuids1) - len(uuids0)} new, 0 duplicated; paren-balanced')