MassMailer implementation tasks

Status: In progress. Work in dependency order; a checked task has passed its listed verification.

ID	Deliverable	Depends on	Verify
F01 ✅	Shared VBScript INI reader and validation	None	Valid example loads; malformed, missing, or duplicate keys fail with a useful message.
F02 ✅	MDB initializer with versioned schema	F01	Fresh MDB, tables, unique indexes, and schema version 1 created in disposable integration test.
F03 ✅	Bitness-aware launcher and real MDB preflight	F01, F02	Valid x86 path passes; missing MDB, x64 provider mismatch, invalid interval, and schema 2 fail.
F04 ✅	HTA status shell	F03	Hidden-window smoke and scripted status query passed; no campaign send process exists.
F05 ◐	SMTP transport and protected secret feasibility	F02	STARTTLS 1.3, DPAPI round trip/rotation, and inline-image pickup MIME pass; authenticated internal send and inbox check pending.
F06 ✅	Contact import and suppression controls	F02, F04	Disposable MDB integration test passes import, duplicate rejection, re-import rejection, and suppression.
F07	HTML template import and safe preview	F02, F04	Local images snapshot and preview; unsafe paths and active content fail.
F08	Campaign approval and test send	F05-F07	Snapshot recipient/content/identity; explicit approval and internal-only test send.
F09	In-app dispatch, pacing, pause, and recovery	F08	Fake adapter tests cover gap, close/reopen, suppression, and uncertain outcomes.
F10	Reporting, backup, and pilot readiness	F09	Export, restore drill, and manual pilot checklist pass.

Implementation uses built-in Windows script hosts and Access COM components already present on the target PC. No third-party dependency is planned.