Group the sources into aliased modules and lint with the published plugins

.agents/memory/bot-agents-child-processes.md

@@ -1,5 +1,5 @@
 ---
-description: Child processes use plain node:child_process spawn (explicit stdio, uid/gid, whole env); src/child.ts has exitCode (128+signo) and echo; no execFile maxBuffer
+description: Child processes use plain node:child_process spawn (explicit stdio, uid/gid, whole env); src/processes/child.ts has exitCode (128+signo) and echo; no execFile maxBuffer
 ---
 
 Every call site calls `spawn` from `node:child_process` itself, with
@@ -15,7 +15,7 @@ everything explicit:
 - No `execFile`/`exec`: their `maxBuffer` (1 MiB) kills a chatty child. Read
   piped streams incrementally instead.
 
-`src/child.ts` holds what the call sites share:
+`src/processes/child.ts` holds what the call sites share:
 
 - **`exitCode(child)`**: call it right after `spawn`. It settles on `exit`
   (not `close`, which a daemonized grandchild can hold open), maps a signal to
@@ -28,9 +28,9 @@ Tests use `spawnSync` for short commands.
 
 Other port details:
 
-- **`src/errors.ts`** `isNotFound` checks `ENOENT` (file) or `ESRCH` (process).
+- **`src/common/errors.ts`** `isNotFound` checks `ENOENT` (file) or `ESRCH` (process).
 - Temporary files are an exclusive `wx` create with mode `0600`.
-- `src/json.ts` holds type guards used instead of `as` casts on parsed JSON.
+- `src/common/json.ts` holds type guards used instead of `as` casts on parsed JSON.
 - `process` and `Buffer` must come from `node:` imports:
   `no-restricted-globals` in `scripts/project-lint.ts` enforces it
   ([[lint-parity-never-shrinks]]).