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promptkit/docs/roadmap/future.md

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# Future Feature Ideas
## Purpose
This document catalogs reasonably specific ideas that may be useful in future
Promptkit development. It is an idea pool, not a commitment, schedule, or
description of current behavior.
Ideas belong here while they are worth retaining but have not been selected
for active development. Keep each entry at the level of intended capability,
consumer value, and important scope boundaries. Defer API design,
implementation details, sequencing, and acceptance criteria until an idea is
selected.
Ideas that have been deliberately postponed rather than left available for
ordinary selection belong in the [deferred catalog](deferred.md).
## Using This Catalog
- Add an idea when its purpose and likely value can be stated clearly.
- Keep entries independent enough that maintainers can evaluate and select
them individually.
- Note significant dependencies or boundary concerns, but do not turn entries
into implementation plans.
- Treat inclusion as an invitation to evaluate, not as approval or priority.
- When an idea is selected, move its active planning to a focused roadmap or,
when it requires a durable architectural decision, an ADR. Update
current-state documentation only when implementation lands.
- Move an idea to `deferred.md` when maintainers decide to retain it but wait
for a stated design dependency, demand signal, or reconsideration trigger.
- Remove ideas that are no longer relevant. Retain a rejected idea only when
its rationale is likely to prevent repeated reconsideration.
Future capabilities must continue to respect the
[architecture policy](../policy/architecture.md), particularly Promptkit's
role as an application-neutral library and its boundary with downstream
consumers.
## Ideas
### Public bounded output repair
After the codebase-audit remediations are complete, Promptkit should make its
bounded output-repair capability available through the public engine. A
consumer should be able to request a limited number of corrective generation
attempts when JSON or JSON Schema output fails content validation, without
having to reproduce Promptkit's generation, validation, capacity, and result-
accounting orchestration.
- Repair is validation recovery, not a general provider retry, failover, or
backoff policy. Transport failures, cancellation, and operational schema or
validation errors must retain their ordinary error behavior.
- Repair must stop after the first valid result or the configured attempt
bound. Exhausting the bound should preserve the final invalid result and its
validation diagnostics rather than inventing success.
- Initial generation and every repair attempt must use the same resolved
backend, effective execution settings and presence semantics, session,
credential boundary, structured-output contract, and backend-capacity
policy.
- Results should report the number of repair attempts and cumulative usage for
every model call made by the run.
- Ordinary and prepared execution should expose coherent behavior, including
cancellation, frozen prepared state, error identity, and capacity lifetime.
Select this work only after the accepted audit findings affecting shared
execution invariants, validation, orchestration, transport, and repair
internals have been remediated.
## Entry Format
Use a short heading followed by a concise summary. Add focused bullets when
they help preserve important scope boundaries without becoming an
implementation plan:
```markdown
### Idea name
Describe the intended capability, who benefits, and the most important scope
boundary or dependency.
- Optionally record an important behavior or boundary.
```