fix(documents): keep an incomplete extraction on the document

A long document read in parts can end with a part cut at the provider's
output limit, a part never read, or more facts than one review takes.
That was told once, as a notice when the run finished; a review opened
later looked complete.

InboundDocument.extractionIncomplete (migration 0483) is written with
the facts by both stagings, the extract route or run and lab
auto-staging. The document detail publishes it and the review shows the
same note whenever it is opened. The disaster-recovery backup carries
it; an older file restores it as false.

Refs #1257

docs/api/openapi.yaml

@@ -43911,6 +43911,8 @@ components:
                   - type: "null"
               aiReadDeferred:
                 type: boolean
+              extractionIncomplete:
+                type: boolean
               summary:
                 type:
                   - string
@@ -80342,6 +80344,13 @@ components:
             - READY
             - WITHHELD
             - UNAVAILABLE
+        extractionIncomplete:
+          type: boolean
+          description: "Whether the staged facts may leave part of the document out: a part of a long document was cut at the
+            provider's output limit or not read, the text or pages ran past what the reads take, or the document held
+            more facts than one review takes. Kept from the last extraction (the extract route, its background run, or
+            automatic lab staging) until the next one replaces the facts; false for a document never extracted. A review
+            shows it whenever it is opened, not only when the run ends."
       required:
         - id
         - kind
@@ -80373,6 +80382,7 @@ components:
         - summary
         - summaryGeneratedAt
         - summaryState
+        - extractionIncomplete
       additionalProperties: false
       description: 'A stored document plus its staged facts. `summary` is a short (3-4 sentence) plain-language description of
         WHAT the document is, generated once and then served from storage; it is descriptive only, never a diagnosis.