Added PROCESS.md

docs/STAGING-STATE.md

@@ -8,6 +8,7 @@ Live state of the Mechanical Compiler staging instance on `srv-b`.
 | Instance | Staging / development |
 | Specification | `ENVIRONMENT.md` revision 5 |
 | Failure log | `FAILURES.md` |
+| Process | `PROCESS.md` — **read first** |
 | Method | Manual, one command group at a time |
 
 ---
@@ -21,6 +22,10 @@ defective and must be corrected.
 Completed and remaining work are in the same document deliberately. They are two
 halves of one boundary; separating them guarantees they drift.
 
+**Read `PROCESS.md` before your first command.** It describes how work is done
+here — who runs what, on which machine, with which tools. This file describes
+only what is currently true.
+
 Before any command: read this file, confirm the immediately relevant live state
 with a read-only command, then issue one command group. If it fails, record it in
 `FAILURES.md` before changing anything else.