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feat(fof-layer4): supersedes_post_id field on Post

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Adds an optional supersedes_post_id pointer to Post for the
"re-issue with narrower access" path. Author publishes a new post
that references an earlier one; receivers can render "this is a
re-issued version of an earlier post" + offer to view the original.

Covered by PostId = BLAKE3(Post) — receivers can verify it wasn't
forged by anyone but the author.

#[serde(default)] for back-compat; existing posts deserialize with
None. All existing Post construction sites bulk-updated to set the
field to None.

Storage::get_post returns None for the field today; a follow-up can
add a dedicated column if/when receivers need to render the
pointer. The author-side re-issue helper that creates posts with
this field set comes in the Tauri/UI slice — the wire shape is in
place now.

148 tests pass (no regressions).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Scott Reimers 2026-05-14 16:29:55 -06:00
parent c2f2203331
commit fdbf97f2d7
11 changed files with 50 additions and 0 deletions
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4
crates/core/src/node.rs
View file

@ -828,6 +828,7 @@ impl Node {
attachments: vec![],
timestamp_ms: pi.created_at,
fof_gating: None,
supersedes_post_id: None,
};
let post_id = crate::content::compute_post_id(&post);
{
@ -1168,6 +1169,7 @@ impl Node {
attachments: vec![],
timestamp_ms: now,
fof_gating: Some(built.gating),
supersedes_post_id: None,
};
let post_id = crate::content::compute_post_id(&post);
@ -1321,6 +1323,7 @@ impl Node {
attachments,
timestamp_ms: now,
fof_gating,
supersedes_post_id: None,
};
let post_id = compute_post_id(&post);
@ -3345,6 +3348,7 @@ impl Node {
attachments: post.attachments.clone(),
timestamp_ms: post.timestamp_ms,
fof_gating: None,
supersedes_post_id: None,
};
let new_post_id = compute_post_id(&new_post);