Keep empty answers in the final individual outputs.

docs/final_output.md

@@ -39,7 +39,7 @@ answer JPEGs.
 | `Student Name.pdf` | `Concat_F.pdf` | Filtered, paginated correction with context, questions and solutions. |
 | `score.json` | `score.json` | Per-question scores, including questions omitted from the filtered PDF. |
 | `info.json` | `info.json` | Answer presence, empty-answer classification, PDF membership and score. |
-| `answers/*.jpg` | Final per-label JPEGs selected by `info.json` | One annotated non-empty answer, with optional supplementary material. |
+| `answers/*.jpg` | Final per-label JPEGs selected by `info.json` | One annotated answer, including empty scans, with optional supplementary material. |
 
 ## Enabling or disabling outputs
 
@@ -69,9 +69,9 @@ and preserves return PDFs when present.
 ## Individual answer JPEGs
 
 With `RETURN_ANSWERS_ENABLED = True`, `giving-names` generates an `answers/`
-subdirectory inside each student's return folder. It includes **every non-empty
-compiled answer**, even a perfect answer omitted from the filtered PDF. Labels
-marked `empty-answer` and labels without an answer are excluded. Every JPEG
+subdirectory inside each student's return folder. It includes **every present
+compiled answer**, even a perfect answer omitted from the filtered PDF. Scans
+marked `empty-answer` are included; labels without an answer are excluded. Every JPEG
 contains the final annotated student answer, including retained feedback and
 extracted handwriting.
 
@@ -92,7 +92,7 @@ Filenames use natural label order, a three-digit minimum sequence number, and a
 sanitized label (`001 - Ex 1.jpg`). Numbering prevents filename collisions when
 labels differ only by characters forbidden in filenames. JSON keys retain exact
 labels. The managed `answers/` directory is replaced on successful generation,
-so removed/empty answers do not leave stale images; failures preserve the previous
+so removed answers do not leave stale images; failures preserve the previous
 directory. Disabling the option clears this directory on the next `giving-names`
 run. Separate storage keeps these images out of the personal final-mark stamping
 step, which reads only JPEGs directly inside the student's folder.
@@ -116,11 +116,13 @@ Every label in `score.json` has an object containing exactly four fields:
 ```
 
 - `present`: an answer entry exists for this student and label in the compilation
-  data. A supplied answer judged empty still has `present: true`.
+  data. A supplied answer judged empty still has `present: true`. A body removed by
+  manual annotation edits has `present: false`.
 - `not_empty`: the answer was not marked `empty-answer` and was successfully
   compiled. Absent answers have `not_empty: false`. When individual export is
-  enabled, a JPEG is generated if and only if both `present` and `not_empty` are
-  true. These fields describe the answer regardless of export settings.
+  enabled, every `present` answer gets a JPEG, including those with `not_empty: false`.
+  Image retention alone does not change the empty classification. These fields
+  describe the answer regardless of export settings.
 - `touched`: the answer appears in the compiled filtered `Concat_F.pdf`, using
   the actual selection including handwriting and selective redo preservation.
   It is not a flag for human edits. Empty and absent answers have `false`.
@@ -151,7 +153,8 @@ The result is one RGB image of variable height, with no page breaks. It contains
 all successfully compiled answer blocks, including answers scored 4 with no
 remaining feedback. “Full” refers to those answer blocks, not the original scan
 pages or every question in the statement. Missing/unrenderable answers cannot
-be included, and the renderer normally suppresses `empty-answer` results.
+be included. Empty-answer scans are retained individually but excluded from
+the combined and filtered documents.
 The grouped compiler refuses to publish a new set when compilation is incomplete.
 
 The JPEG does not prepend the question, context or model solution PDFs.