Docs only. No code, no tests, nothing to run. Implementation is specified in #80.
Outcome of a grilling session on 2026-08-11 against #77, backed by live measurement of lightnovelworld over 2026-08-10/11.
## What changed
**`docs/adr/0008-series-identity-is-discovered-not-derived.md`** (new)
A Series identity is discovered from the Site's own links, never derived from an address.
On lightnovelworld the userscript reads the chapter page's `All Chapter` anchor instead of
building a `/novel/<slug>/` address by string manipulation. A Chapter Slug is not an
identity and is not stored. The backend's chapter scan drops its per-Series scoping and
runs against the body truncated before the visitor comment thread.
Evidence in the ADR: 3 of 41 sampled novels serve chapters under a slug that differs from
their series slug, divergence runs in both directions, one novel serves chapters under two
slugs, and neither slug is computable from the other. The pointer was checked on 8 chapter
pages and agreed every time. Three narrower selectors are recorded as rejected, each with
the measurement that killed it.
Three rejected options are recorded with reasons: correcting the stored address only, which
keeps an identity the Site does not guarantee; scoping the scan to a container, which the
probe refuted; and a SQL migration, which is impossible because the database holds no
source for the correct slug.
**`CONTEXT.md`**
- **Series** - identity is the canonical slug the Site publishes, never the title and never a Chapter Slug.
- **Chapter Slug** - new term. A slug a Site builds its chapter addresses from. Not an identity: one Series may have several, and none is computable from another.
- **Latest Chapter** - now the highest-numbered chapter, explicitly not a date and not the Site's own newest-chapter banner. Settles #79.
**`docs/research/lightnovelworld-chapter-vs-series-slug.md`** (new, committed with its corrections)
The 41-novel survey behind the ADR. Two claims are struck through and corrected in place,
with the date and sample size of the probe that refuted each: the `ul.clstyle` container it
named is the hidden, empty "Latest Reading" template rather than the chapter list, and its
caveat about the comment region understated the risk, because that region is writable by
any visitor while the scan takes an unbounded maximum into a Series row shared by every
Reader (ADR-0003).
## Review notes
Nothing here constrains code that exists today - the ADR describes work not yet written.
The part worth disagreeing with, if any of it is wrong, is the fail-closed rule: a missing
truncation marker means skip the Series and log, never scan the whole page.
Related: #77 (the defect), #80 (the spec), #79 (the numbering anomaly, closed by decision),
#71 (the same size cap seen from the cover side).
Reviewed-on: #81
Co-authored-by: Sulthan Zaki <sultankiki05@gmail.com>
Co-committed-by: Sulthan Zaki <sultankiki05@gmail.com>
