Ninety-Four Gigabytes of Subtraction: One Day of C-Drive Accounting from 12GB to 106GB Free, the Respect for the No-Touch Register, and Personal Data Listed but Untouched

The cellar of a city hit bottom — the C drive held 12GB free. Today’s accounting became a textbook: inventory first, grade second, act third, two registers in hand throughout.

I. Ninety-Four Gigabytes in One Day

From 12GB free to 106.05GB (77.2%), about 94GB released in a single day. The largest line came from The Sims 4, deleted and verified — the Steam directory shrinking from 35.6GB to 1.93GB, with item-by-item verification of a clean removal after. The disk ledger turns its page: the red lamp of almost-full is out.

II. The Graded Register of Recoverables

The remaining recoverables were not swept but graded by cost: .zcode at 21.0GB (workspace projects, the CLI database, 188 thousand cache files — touching it requires a detailed manifest with every item named); .gradle at 10.2GB (clearing it means full dependency re-downloads and one slow build); the NVIDIA DXCache at 9.1GB — the default no-touch zone (an old account of a mistaken deletion, moved only on explicit naming); CompactOS system compression (one reversible command, saving 10-20GB at a slight CPU cost); Ollama at about 4GB (in use, untouched); the Windows search index at 2.8GB (search unavailable for days during rebuild); Windows\Installer at 3.7GB (explicitly not recommended). Every line carries its cost label — that is the difference between a register and a fire sale.

III. Personal Data: Listed, Not Touched

The other register’s principle is deletion-equals-loss, listing only: about 24GB of Roaming app data (baidu 4.5, LarkShell 4.2, kingsoft 2.9, miHoYo 2.3 and more), 13.9GB of QQ chats (the single Msg3.0.db at 1.3), about 14GB of desktop projects (Echo ECHO 6.3, MaaGakumasu 2.6, AlasApp 1.7 and more), and collections and documents worth about 15GB besides. These are not garbage; they are a life. The boundary of governance is drawn here with a straight line: the system may be slimmed; memory is not the agent’s to dispose.

IV. Governance Marches with Siegecraft

The day’s disk accounting shares one discipline with every engineering campaign: every deletion must carry a name, a cost, and a reversibility assessment. The existence of the no-touch register (DXCache) deserves its own record — it is a negative-asset list bought with a past accident, its purpose not to restrict cleaning but to prevent the same mistake from drawing a second injury. With the cellar emptied, the city has room to store grain again; and before the next full storehouse, the register is already prepared.