Files
dify/api/tests/unit_tests/services
Charles YaoandClaude Opus 5 f1bf2fb318 feat(dify-builder): say when the workspace cannot cover the plan
Add assess_capability_gap: one plain sentence naming a plan step nothing
installed can perform, or "" when the plan is covered. Grounded only in
installed resources -- there is no marketplace lookup, so it names a missing
CAPABILITY, never a product to install. A missing_config tool (installed but
unauthorized, from the prior task's real readiness) doesn't count as
covering a step either, since the model is shown each option's readiness
alongside its label and kind.

Wired through the full agent seam: the DifyBuilderAgent protocol, the real
LlmBuilderAgent (delegates to build.assess_capability_gap), and the
PlaceholderAgent test double (returns ""). handlers_build.py calls it
after discover_resources and, when non-empty, appends a NoticeItem beside
the existing empty-resources notice -- the two are independent and can
both fire.

Like its sibling cognition functions, it degrades to "" (never raises) on
no model, an LLM error, or an unparseable reply: a gap that can't be
assessed isn't a gap worth inventing. The sentence is LLM-generated prose
already in the user's language (json_language_instruction), not a
catalogue entry, so no static string was added.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-09-20 16:13:02 -07:00
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