Strangle a Rewrite Into Small Replacements

Rewrite pressure Two missed quarters, one support portal, and a password-reset flow small enough to isolate. The migration needs production learning before total commitment. Migration shape Wrap -> route one slice -> compare -> retire A strangler migration turns replacement into a sequence of small production decisions. Big bang Build everything in parallel and switch all traffic at once. Lower cutover risk and earlier learning. Incremental replacement beats delayed certainty. 01 Boundary 02 Slice 03 Try fresh Create the boundary Step 1

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