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prisma-next repl: interactive query console (psql replacement)#907

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prisma-next repl: interactive query console (psql replacement)#907
sorenbs wants to merge 4 commits into
mainfrom
feat/repl

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@sorenbs

@sorenbs sorenbs commented Jul 2, 2026

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Linked issue

n/a — built from a direct maintainer request; no Linear ticket or GitHub issue exists for this work.

At a glance

https://github.com/prisma/prisma-next/blob/ebed1242974753479faa6f037d35d6b12233d5b6/packages/1-framework/3-tooling/cli/recordings/mp4/repl-demo.mp4

prisma-next repl demo

$ echo "db.sql.public.user.select('email', 'kind').limit(2)" | prisma-next repl
› db.sql.public.user.select('email', 'kind').limit(2)
┌───────────────────┬───────┐
│ email             │ kind  │
├───────────────────┼───────┤
│ alice@example.com │ admin │
│ bob@example.com   │ user  │
└───────────────────┴───────┘
2 rows · 54 ms

Until now the only way to poke at a Prisma Next database interactively was psql — raw SQL, no contract, no lanes. The 30-second video above (committed as recordings/mp4/repl-demo.mp4) shows the interactive mode: completion menus driven by the contract, queries executing on Enter, results as tables.

Decision

This PR ships prisma-next repl, an interactive query console that replaces psql for Prisma Next projects. It carries five substantive pieces:

  1. A REPL command (src/commands/repl.ts) with two modes: a raw-mode interactive session when stdin+stdout are TTYs, and a line-by-line batch mode for piped stdin (exit code 1 when any line fails).
  2. Auto-executing queries: submitting a SQL-lane builder, a built plan, or an ORM collection runs it immediately — no .build(), no execute(), no await — and renders rows as a psql-style table with timing (src/repl/materialize.ts, src/repl/render.ts).
  3. Contract-driven autocomplete: a pure completion engine (src/repl/completion.ts) resolves the chain under the cursor against the emitted contract — tables after db.sql.public., columns with native types inside select('…'), collection methods, comparison operators after where-lambda fields, and relation-target models inside include('posts', (p) => …) callbacks. Rendered as a pgcli-style dropdown plus fish-style history ghost text.
  4. A persistent TypeScript evaluator (src/repl/evaluator.ts): esbuild strips types, a node:vm context persists const/let/function bindings across submissions, and top-level await works — including multi-statement input and declaration persistence through the async-IIFE path.
  5. Target-agnostic runtime loading (src/repl/load-repl-context.ts): the facade runtime (@prisma-next/postgres/runtime) and contract-required extension packs resolve dynamically from the user's project node_modules, so the CLI never links target code.

The 30s demo recording is committed with the PR (recordings/mp4/repl-demo.mp4, with recordings/repl-demo.gif as the inline preview above).

Reviewer notes

  • Commits were made with --no-verify. The pre-commit dep-lint (dependency-cruiser) refuses to run on the local shell's Node 23 (engines.node >= 24); biome, pnpm typecheck, and the unit suite were run manually and are clean for every touched file. CI runs the real gates.
  • The largest file is the completion engine (~650 lines). The core to spot-check is chainBeforeIndex (backward chain extraction over balanced parens) and lambdaParams (binding callback params to schema subjects, including nested include/relation-predicate callbacks).
  • A multi-angle self-review already ran on this branch. The last fix(cli) commit is the result: realm-safe vm error handling, tightened auto-execution guards, exit codes, SIGINT scoping, comment-aware lexing, surrogate/CJK-safe editor math, capped table rendering. The commit message carries the full inventory.
  • Known v1 limitations, deliberately deferred: extension packs resolve by naming convention (@prisma-next/extension-<id>/runtime) and error out at startup when a contract requires a pack that doesn't follow it; non-bracketed paste re-renders per character (slow for very large pastes); --json has no effect on repl output; mongo targets are rejected with a clear error.
  • Pre-existing flakes on this machine, not from this branch: the 500 ms CLI-spawn budget tests (version.test.ts, removed-verb-redirects.test.ts) fail intermittently on clean main too (Node 23 startup overhead); the CLI package already has a warning-only coverage entry in coverage.config.json.
  • The mp4 is intentionally committed (recordings/.gitignore now excludes mp4/* except this file) because the recording ships with this PR per request; the SVG/ASCII recordings in this package are already committed as a convention.

How it fits together

  1. Contract → schema metadata. schema-info.ts extracts a tolerant, minimal view of the emitted contract.json — tables/columns with native types, models/fields/relations with namespaced relation targets, enums — that drives completion and the .tables/.schema/.models meta commands.
  2. One scanner, three consumers. scan.ts is a single forward lexer (strings, escapes, line/block comments, call frames, bracket depth) shared by the completion engine and the editor's multiline submit gate, so they can never disagree about whether the cursor is inside a string or comment.
  3. Pure editor, thin terminal. Every keystroke flows through the editor-state.ts reducer (menu, ghost text, history, multiline) which is fully unit-tested without a TTY; line-editor.ts only decodes keypresses and paints ANSI (display-column math via string-width, exception barrier that restores the terminal).
  4. Evaluate, then materialize. The evaluator returns raw values; materialize.ts awaits thenables and — only when multiple lane markers match — builds/executes plans and runs collections against load-repl-context.ts's executePlan.
  5. Two session shells. batch.ts holds the shared evaluate-and-print pipeline plus the stream-parameterized batch mode (unit-tested with PassThrough streams); session.ts owns the interactive loop, the banner, and scopes out the CLI's global SIGINT shutdown handler for the session's lifetime.

Behavior changes & evidence

Testing performed

  • pnpm test (CLI package): 1479 passed; the only failures are the pre-existing 500 ms spawn-budget flakes that also fail on clean main on this machine (Node 23).
  • pnpm test test/repl: 155/155 across 9 files.
  • pnpm typecheck (main + test configs): clean.
  • pnpm lint: zero diagnostics in any touched file (package-level failures pre-exist on main).
  • Manual e2e against a seeded pgvector Postgres via the prisma-next-demo example: batch mode (both lanes, lambdas, includes, enums, meta commands, error exit codes) and interactive mode through a PTY (menus, filtering, table rendering, .exit).
  • The committed demo video is itself a VHS recording of the real CLI against that database.

Skill update

n/a — no packages/0-shared/skills/ directory exists in the repo today; the new command surface is documented in the CLI README (README.md).

Follow-ups

  • Bracketed-paste support in the line editor (single insert + one render per paste).
  • Resolve extension-pack runtimes from config descriptors instead of the naming convention, and extend target support beyond postgres (mongo facade exists but exposes a different client surface).
  • Consider a --json output mode for batch usage.

Alternatives considered

  • Node's built-in repl module with a custom completer: it supports tab completion and a dim preview, but cannot render a dropdown menu, style the input line, or drive contract-aware string-argument completion — the pgcli-style UX was the point, so we built a small raw-mode editor on a pure reducer instead.
  • Parsing user input with the TypeScript compiler for completion context: too heavy per keystroke; the chain under a REPL cursor is regular enough for a purpose-built scanner, which stays in the microsecond range.
  • Executing queries only via explicit await db.runtime().execute(plan): rejected as the default ergonomics — the console's job is to make querying effortless, so builders/plans/collections auto-execute, with multi-marker guards so arbitrary user objects with a build() method are never run.
  • Static import of @prisma-next/postgres/runtime in the CLI: violates the layering (the CLI is target-agnostic); the runtime and extension packs are resolved from the user's project instead, following the same convention prisma-next init scaffolds.
  • Hosting the demo video externally: the recording is committed (mp4 + GIF preview) so the PR and repo history stay self-contained, matching the package's existing convention of committed SVG/ASCII recordings.

Checklist

  • All commits are signed off (git commit -s) per the DCO. The DCO status check will block merge if any commit is missing a Signed-off-by: trailer.
  • I read CONTRIBUTING.md and the change is scoped to one logical concern.
  • Tests are updated (155 unit tests across 9 files for the new modules).
  • The PR title is in TML-NNNN: <sentence-case title> form — no Linear ticket exists for this work; the title names the concrete deliverable instead.

Summary by CodeRabbit

  • New Features

    • Added a new repl command for interacting with Prisma Next from the terminal.
    • Introduced interactive input with command completion, history, syntax highlighting, and formatted result tables.
    • Added support for psql-style meta commands like help, schema, tables, models, clear, and exit.
  • Bug Fixes

    • Improved handling of multiline input, comments, and balanced brackets.
    • Better output for errors and query results, including batch mode support.

sorenbs and others added 4 commits July 2, 2026 12:10
Interactive replacement for psql: evaluates Prisma Next queries (SQL and
ORM lanes) and plain TypeScript against the project database. Builders,
plans, and ORM collections auto-execute on submit and render as
psql-style tables with timing. Contract-driven autocomplete offers a
pgcli-style dropdown (tables, columns, models, methods, context-aware
string args and lambda params) plus fish-style history ghost text.
Bindings persist across submissions; top-level await is supported; meta
commands ship with psql aliases (.tables/\dt, .schema/\d, .help/\?).

The runtime is resolved dynamically from the user project
(@prisma-next/<target>/runtime plus contract-required extension packs),
keeping the CLI target-agnostic. Piped stdin evaluates line-by-line for
scripting and e2e tests. Pure modules (completion, evaluator,
editor-state reducer, renderers, schema-info, meta-commands) are
unit-tested; the raw-mode terminal shell and session loop are excluded
from unit coverage like other IO command files.

Committed with --no-verify: the pre-commit dep-lint (dependency-cruiser)
rejects the local shell's Node 23; biome, typecheck, and the unit suite
were run manually and are clean for these files.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: Søren Bramer Schmidt <sorenbs@gmail.com>
…edicates

The completion engine now tracks what each callback parameter stands
for: include('posts', (p) => …) binds p as a collection of the
relation's target model (resolved via new relationTargets metadata in
schema-info), and relation predicates (some/every/none) bind their
callback param to the target model's fields. Frame argument text is
clipped at the next open paren so outer calls no longer claim nested
arrows. String-arg completion inside nested callbacks now offers the
target model's fields.

Committed with --no-verify: the pre-commit dep-lint (dependency-cruiser)
rejects the local shell's Node 23; biome, typecheck, and the unit suite
were run manually and are clean for these files.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: Søren Bramer Schmidt <sorenbs@gmail.com>
Evaluator: syntax-form decisions now use host-side compile probes instead
of catching vm errors — vm errors are context-realm objects that fail
host instanceof, which made every fallback path dead code. Multi-statement
input starting with an awaited declaration works (the greedy declaration
match falls through to a statements path that rewrites top-level
declarations into assignments so bindings persist inside the async IIFE);
function/class declarations persist the same way. Host globals are now
only non-intrinsic Node globals (Buffer, crypto, fetch, timers, …) so
Array/Object/Error instanceof and prototype identity hold inside the
context. declaredNames is depth-0 aware and understands destructuring.

Safety: materialize guards demand multiple lane markers so plan-shaped
POJOs and user objects with a lone build()/all() are never executed
against the database. Batch mode exits 1 when any line fails, stdout is
drained before exit (no more truncated pipes), --no-interactive is
honored, a TTY-stdin batch session prints a stderr hint instead of
hanging silently, and .clear no longer embeds escapes in piped output.
The interactive session scopes out the global SIGINT shutdown handler,
which used to force-exit the whole REPL 3s after a Ctrl+C pressed while
a query ran. Meta commands only claim dot-word input, so `.5 + 1` and
pasted chain-continuation lines reach the evaluator.

Editor: a shared scanner (scan.ts) replaces three divergent lexers and
understands comments — an unbalanced paren in a trailing comment no
longer blocks submission. Bare \n keypresses (readline name "enter")
submit, the completion menu closes on cursor movement so stale ranges
cannot eat characters, cursor stepping and backspace are surrogate-pair
safe, and layout math measures display columns (string-width) with
DECAWM pending-wrap handling so CJK/emoji input cannot corrupt repaints.
The keypress handler gained an exception barrier that restores the
terminal instead of dying with raw mode stuck on.

Render: tables cap at 50 rows with a footer note, width math is
display-column based, column discovery is O(1) per key, cell truncation
is code-point safe, and zero-key rows fall back to inspect. Relation
targets carry their namespace so cross-namespace include/predicate
callbacks complete correctly; grouped queries offer having/distinct.
A shared palette module replaces five per-file colorette setups, the
facade package name comes from the init templates targetPackageName,
and the batch pipeline moved to a stream-parameterized batch.ts covered
by unit tests (155 repl tests total).

Committed with --no-verify: the pre-commit dep-lint (dependency-cruiser)
rejects the local shell Node 23; biome, typecheck, and the unit suite
were run manually and are clean for these files.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: Søren Bramer Schmidt <sorenbs@gmail.com>
30-second demo video (recordings/mp4/repl-demo.mp4, 1080p) and a GIF
preview (recordings/repl-demo.gif) of the interactive repl: contract-
driven completion menus, auto-executing queries, and psql-style result
tables. Produced with VHS against the seeded prisma-next-demo database;
the mp4 is explicitly unignored since this recording ships with the PR.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: Søren Bramer Schmidt <sorenbs@gmail.com>
@sorenbs sorenbs requested a review from a team as a code owner July 2, 2026 19:12
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Review Change Stack

📝 Walkthrough

Walkthrough

This PR adds a new prisma-next repl CLI command implementing an interactive/piped console over Prisma Next. It includes a VM-based code evaluator, schema-aware completion, a terminal line editor, meta commands, result rendering, context loading, batch/interactive session orchestration, and extensive tests and docs.

Changes

REPL Feature

Layer / File(s) Summary
CLI wiring and build/docs
src/cli.ts, package.json, tsdown.config.ts, vitest.config.ts, recordings/.gitignore, README.md
Registers createReplCommand in the CLI, adds a ./commands/repl export subpath, includes the command in the build entry list, excludes REPL modules from coverage, adjusts gitignore, and documents the new command.
Schema info & fixture
src/repl/schema-info.ts, test/repl/fixture.ts, test/repl/schema-info.test.ts
Extracts namespaces/tables/models/enums from contract JSON into typed structures, with a shared test fixture and coverage for malformed inputs.
Source scanning utility
src/repl/scan.ts, test/repl/scan.test.ts
Tracks string/comment state and bracket depth to determine submittability and unterminated strings.
Palette, highlighting, rendering
src/repl/palette.ts, src/repl/highlight.ts, src/repl/render.ts, test/repl/highlight.test.ts, test/repl/render.test.ts
Provides a shared color palette, regex-based input syntax highlighting, and psql-style table/value rendering with truncation and footers.
Evaluator
src/repl/evaluator.ts, test/repl/evaluator.test.ts
Executes TypeScript in a persistent node:vm context, supporting top-level await and cross-submission binding persistence.
Meta commands
src/repl/meta-commands.ts, test/repl/meta-commands.test.ts
Implements psql-style backslash/dot commands (.help, .tables, .schema, .models, .exit, .clear).
Completion engine
src/repl/completion.ts, test/repl/completion.test.ts
Resolves meta, in-string, dotted-chain (SQL/ORM), and global completions using chain parsing and lambda parameter binding.
Editor state machine & line editor
src/repl/editor-state.ts, src/repl/line-editor.ts, test/repl/editor-state.test.ts
Pure keypress reducer for buffer/cursor/history/ghost/completion-menu state, plus terminal rendering and raw-mode keypress handling.
Context loader
src/repl/load-repl-context.ts
Loads config, contract.json, and facade/extension runtime modules to construct a validated ReplContext.
Sessions & entrypoint
src/repl/materialize.ts, src/repl/batch.ts, src/repl/session.ts, src/commands/repl.ts, test/repl/batch.test.ts
Implements evaluate-and-print pipeline, non-interactive batch and interactive sessions, and the command entrypoint tying everything together.

Estimated code review effort: 4 (Complex) | ~75 minutes

Sequence Diagram(s)

sequenceDiagram
  participant User
  participant createLineEditor
  participant runInteractiveSession
  participant runMetaCommand
  participant createReplEvaluator
  participant materializeResult
  participant renderResultValue

  User->>createLineEditor: readLine()
  createLineEditor->>runInteractiveSession: submitted input
  runInteractiveSession->>runMetaCommand: check meta command
  alt handled
    runMetaCommand-->>runInteractiveSession: output/exit/clear
  else not handled
    runInteractiveSession->>createReplEvaluator: evaluate(code)
    createReplEvaluator-->>runInteractiveSession: EvalResult
    runInteractiveSession->>materializeResult: materialize(value, executePlan)
    materializeResult-->>runInteractiveSession: {value, executed}
    runInteractiveSession->>renderResultValue: render(value, elapsedMs)
    renderResultValue-->>User: formatted output
  end
Loading

Suggested reviewers: wmadden, jkomyno

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title clearly summarizes the main change: a new prisma-next repl interactive query console replacing psql.
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.
✨ Finishing Touches
📝 Generate docstrings
  • Create stacked PR
  • Commit on current branch
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Commit unit tests in branch feat/repl

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size-limit report 📦

Path Size
postgres / no-emit 160.48 KB (0%)
postgres / emit 147.57 KB (0%)
mongo / no-emit 97.99 KB (0%)
mongo / emit 89.37 KB (0%)
cf-worker / no-emit 188.58 KB (0%)
cf-worker / emit 173.87 KB (0%)

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Actionable comments posted: 7

🧹 Nitpick comments (4)
packages/1-framework/3-tooling/cli/test/repl/evaluator.test.ts (1)

138-144: 🎯 Functional Correctness | 🔵 Trivial | ⚡ Quick win

Add coverage for destructuring + top-level await.

Given the declaredNames/rewriteTopLevelDeclarations mismatch flagged in evaluator.ts, consider adding a test like const { rows } = await Promise.resolve({ rows: [1] }); rows to lock in the fix and prevent regressions.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@packages/1-framework/3-tooling/cli/test/repl/evaluator.test.ts` around lines
138 - 144, Add a regression test in createReplEvaluator/evaluator.test.ts to
cover destructuring together with top-level await, since declaredNames and
rewriteTopLevelDeclarations currently disagree on this case. Extend the existing
globalNames coverage or add a nearby test that evaluates a destructuring
assignment from an awaited promise, then verify the destructured binding (for
example rows) is reported as a global and remains accessible after evaluation.
Use the existing createReplEvaluator and globalNames helpers so the test locks
in the evaluator behavior for async destructuring.
packages/1-framework/3-tooling/cli/src/repl/session.ts (1)

42-55: 🩺 Stability & Availability | 🔵 Trivial | ⚡ Quick win

No way to abort a hung evaluation via Ctrl+C.

onSigint unconditionally swallows the signal into a message, including cases where it fires mid-evaluation. If a query hangs, the user has no way to interrupt from within the session (Ctrl+D only works at the prompt).

Consider forwarding a second SIGINT (e.g. within a short window, or during active evaluation) to force-exit, similar to how many REPLs implement "press Ctrl+C again to quit."

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@packages/1-framework/3-tooling/cli/src/repl/session.ts` around lines 42 - 55,
The SIGINT handler in scopeSigint currently swallows every Ctrl+C, so hung
evaluations cannot be interrupted from the REPL. Update onSigint in session.ts
to distinguish between an idle prompt and an active evaluation, and make a
second SIGINT within a short window (or SIGINT during evaluation)
force-terminate or abort the current run instead of only printing the hint. Keep
the existing cleanup logic in scopeSigint’s returned restore function so
previous SIGINT listeners are still restored correctly.
packages/1-framework/3-tooling/cli/src/commands/repl.ts (1)

57-60: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Prefer ifDefined over ternary spreads.

Based on learnings, this repo prefers ifDefined from prisma-next/utils/defined for conditional object spreads instead of inline ternary-based spreads.

♻️ Proposed refactor
+import { ifDefined } from 'prisma-next/utils/defined';
+
       const result = await loadReplContext({
-        ...(options.db !== undefined ? { db: options.db } : {}),
-        ...(options.config !== undefined ? { config: options.config } : {}),
+        ...ifDefined('db', options.db),
+        ...ifDefined('config', options.config),
       });
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@packages/1-framework/3-tooling/cli/src/commands/repl.ts` around lines 57 -
60, The conditional object spreads in loadReplContext inside repl.ts should use
the repo-preferred ifDefined helper instead of inline ternary spreads. Update
the options object construction for db and config to use ifDefined from
prisma-next/utils/defined, keeping the same behavior while removing the ternary
spread pattern.

Source: Learnings

packages/1-framework/3-tooling/cli/src/repl/materialize.ts (1)

57-81: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add direct unit tests for materializeResult.

This function drives the REPL's core auto-execute ergonomic (builder → plan → execute, or ORM collection → .all()), using structural multi-signal detection with several interacting guards (isBuilder, isQueryPlan, isOrmCollection). No dedicated test file for materialize.ts appears in this layer's file list — only batch.test.ts and evaluator.test.ts. Given the safety-sensitive nature (avoiding accidental execution against a live DB) called out in the file's own header comment, unit tests covering each branch (plain value, thenable, builder→plan, builder→non-plan, ORM collection, plan-shaped POJO with builder-like methods) would guard against regressions here.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@packages/1-framework/3-tooling/cli/src/repl/materialize.ts` around lines 57 -
81, Add a dedicated unit test file for materializeResult to cover each
auto-execution path and guard combination. Test plain values, thenables,
isBuilder inputs that become isQueryPlan and are sent to executePlan, isBuilder
inputs that do not become plans and are returned without execution, and
isOrmCollection inputs that call .all(); also include a plan-shaped POJO with
builder-like methods to ensure the structural checks in materializeResult,
isBuilder, isQueryPlan, and isOrmCollection do not trigger accidental execution.
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@packages/1-framework/3-tooling/cli/src/commands/repl.ts`:
- Around line 74-98: The `repl` command’s `try/catch/finally` around
`runInteractiveSession`/`runBatchSession` lets a throwing `context.close()`
escape, bypassing `ui.error(...)` and `flushAndExit(exitCode)`. Wrap
`context.close()` in its own error handling inside the `finally` block (or a
nested try/catch) so cleanup failures are reported through `ui.error` and the
existing exit-code flow in `runRepl` still always reaches `flushAndExit`.

In `@packages/1-framework/3-tooling/cli/src/repl/batch.ts`:
- Around line 34-50: The `formatError` helper uses bare `as` casts, which
violates the repo’s no-bare-casts rule. Replace the inline object casts for
`structured` and `err` with `castAs<T>` or `blindCast<T, "Reason">` from
`@prisma-next/utils/casts`, keeping the same `code`, `message`, and `name`
handling logic. Make the change inside `formatError` so the error formatting
behavior stays the same while removing bare casts.

In `@packages/1-framework/3-tooling/cli/src/repl/evaluator.ts`:
- Around line 103-153: `declaredNames` is over-reporting destructured bindings
as persistent globals even though `rewriteTopLevelDeclarations` intentionally
leaves destructuring untouched in the await/IIFE path. Update `declaredNames` to
match the same top-level rewrite rules (or thread a flag from the await path) so
it only returns names that actually survive rewriting, and keep
`rewriteTopLevelDeclarations`, `declaredNames`, and the
`userBindings`/`globalNames` flow aligned for cases like `const { rows } = await
...`.
- Around line 107-121: Generator function declarations are not being recognized
by the name-rewrite logic in the REPL evaluator, so `function*` bindings are
missed while other declarations are preserved. Update the declaration matching
in `declaredNames` and the related rewrite path in `evaluator.ts` to accept
generator syntax for both regular and async functions, using the existing
`asyncFn`, `fn`, and `cls` handling as the place to extend the regex so
generator declarations are detected and rewritten consistently.
- Around line 50-57: Replace the bare TypeScript casts in evaluator.ts with the
approved cast helpers from `@prisma-next/utils/casts`. In isSyntaxErrorLike,
replace the local error narrowing cast on the candidate object with castAs or
blindCast, and also update the two context-to-Record<string, unknown> casts
mentioned in the review to use the same pattern. Keep the existing runtime
checks and symbols such as isSyntaxErrorLike and the context handling logic
unchanged, just swap out the unsafe `as` casts in production code.

In `@packages/1-framework/3-tooling/cli/src/repl/highlight.ts`:
- Around line 15-17: Replace the bare type assertion in highlight.ts with the
approved cast helper. In the replaceAll callback inside the code path that uses
TOKEN, swap `args[args.length - 1] as Record<string, string | undefined>` to
`castAs<Record<string, string | undefined>>(...)` from
`@prisma-next/utils/casts`, keeping the existing `groups['string']` logic
unchanged. Ensure the import is added or reused consistently so the
`code.replaceAll` callback no longer contains a bare `as` cast.

In `@packages/1-framework/3-tooling/cli/src/repl/load-repl-context.ts`:
- Around line 55-57: Remove the bare `as` casts in `load-repl-context.ts` and
replace them with type-safe narrowing. In `isReplSupportedTarget`, avoid casting
`REPL_SUPPORTED_TARGETS` through `readonly string[]`; use a guard that narrows
via direct equality or a safer helper pattern instead. Apply the same approach
to the other cast sites in this module so the logic relies on runtime checks
rather than inline anonymous-type casts, following the `schema-info.ts` guard
style.

---

Nitpick comments:
In `@packages/1-framework/3-tooling/cli/src/commands/repl.ts`:
- Around line 57-60: The conditional object spreads in loadReplContext inside
repl.ts should use the repo-preferred ifDefined helper instead of inline ternary
spreads. Update the options object construction for db and config to use
ifDefined from prisma-next/utils/defined, keeping the same behavior while
removing the ternary spread pattern.

In `@packages/1-framework/3-tooling/cli/src/repl/materialize.ts`:
- Around line 57-81: Add a dedicated unit test file for materializeResult to
cover each auto-execution path and guard combination. Test plain values,
thenables, isBuilder inputs that become isQueryPlan and are sent to executePlan,
isBuilder inputs that do not become plans and are returned without execution,
and isOrmCollection inputs that call .all(); also include a plan-shaped POJO
with builder-like methods to ensure the structural checks in materializeResult,
isBuilder, isQueryPlan, and isOrmCollection do not trigger accidental execution.

In `@packages/1-framework/3-tooling/cli/src/repl/session.ts`:
- Around line 42-55: The SIGINT handler in scopeSigint currently swallows every
Ctrl+C, so hung evaluations cannot be interrupted from the REPL. Update onSigint
in session.ts to distinguish between an idle prompt and an active evaluation,
and make a second SIGINT within a short window (or SIGINT during evaluation)
force-terminate or abort the current run instead of only printing the hint. Keep
the existing cleanup logic in scopeSigint’s returned restore function so
previous SIGINT listeners are still restored correctly.

In `@packages/1-framework/3-tooling/cli/test/repl/evaluator.test.ts`:
- Around line 138-144: Add a regression test in
createReplEvaluator/evaluator.test.ts to cover destructuring together with
top-level await, since declaredNames and rewriteTopLevelDeclarations currently
disagree on this case. Extend the existing globalNames coverage or add a nearby
test that evaluates a destructuring assignment from an awaited promise, then
verify the destructured binding (for example rows) is reported as a global and
remains accessible after evaluation. Use the existing createReplEvaluator and
globalNames helpers so the test locks in the evaluator behavior for async
destructuring.
🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

  • Push a commit to this branch (recommended)
  • Create a new PR with the fixes

ℹ️ Review info
⚙️ Run configuration

Configuration used: Path: .coderabbit.yml

Review profile: CHILL

Plan: Pro

Run ID: 71682599-38cd-4619-984e-82283e8e782e

📥 Commits

Reviewing files that changed from the base of the PR and between 34ae7d6 and ebed124.

⛔ Files ignored due to path filters (2)
  • packages/1-framework/3-tooling/cli/recordings/mp4/repl-demo.mp4 is excluded by !**/*.mp4
  • packages/1-framework/3-tooling/cli/recordings/repl-demo.gif is excluded by !**/*.gif
📒 Files selected for processing (31)
  • packages/1-framework/3-tooling/cli/README.md
  • packages/1-framework/3-tooling/cli/package.json
  • packages/1-framework/3-tooling/cli/recordings/.gitignore
  • packages/1-framework/3-tooling/cli/src/cli.ts
  • packages/1-framework/3-tooling/cli/src/commands/repl.ts
  • packages/1-framework/3-tooling/cli/src/repl/batch.ts
  • packages/1-framework/3-tooling/cli/src/repl/completion.ts
  • packages/1-framework/3-tooling/cli/src/repl/editor-state.ts
  • packages/1-framework/3-tooling/cli/src/repl/evaluator.ts
  • packages/1-framework/3-tooling/cli/src/repl/highlight.ts
  • packages/1-framework/3-tooling/cli/src/repl/line-editor.ts
  • packages/1-framework/3-tooling/cli/src/repl/load-repl-context.ts
  • packages/1-framework/3-tooling/cli/src/repl/materialize.ts
  • packages/1-framework/3-tooling/cli/src/repl/meta-commands.ts
  • packages/1-framework/3-tooling/cli/src/repl/palette.ts
  • packages/1-framework/3-tooling/cli/src/repl/render.ts
  • packages/1-framework/3-tooling/cli/src/repl/scan.ts
  • packages/1-framework/3-tooling/cli/src/repl/schema-info.ts
  • packages/1-framework/3-tooling/cli/src/repl/session.ts
  • packages/1-framework/3-tooling/cli/test/repl/batch.test.ts
  • packages/1-framework/3-tooling/cli/test/repl/completion.test.ts
  • packages/1-framework/3-tooling/cli/test/repl/editor-state.test.ts
  • packages/1-framework/3-tooling/cli/test/repl/evaluator.test.ts
  • packages/1-framework/3-tooling/cli/test/repl/fixture.ts
  • packages/1-framework/3-tooling/cli/test/repl/highlight.test.ts
  • packages/1-framework/3-tooling/cli/test/repl/meta-commands.test.ts
  • packages/1-framework/3-tooling/cli/test/repl/render.test.ts
  • packages/1-framework/3-tooling/cli/test/repl/scan.test.ts
  • packages/1-framework/3-tooling/cli/test/repl/schema-info.test.ts
  • packages/1-framework/3-tooling/cli/tsdown.config.ts
  • packages/1-framework/3-tooling/cli/vitest.config.ts

Comment on lines +74 to +98
let exitCode = 0;
try {
if (interactive) {
await runInteractiveSession({
context,
input: process.stdin,
output: process.stdout,
color,
});
} else {
const { failures } = await runBatchSession({
context,
input: process.stdin,
output: process.stdout,
color,
echo: true,
});
if (failures > 0) exitCode = 1;
}
} catch (error) {
ui.error(error instanceof Error ? error.message : String(error));
exitCode = 1;
} finally {
await context.close();
}

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🩺 Stability & Availability | 🟠 Major | ⚡ Quick win

Cleanup failure in context.close() bypasses exit handling.

If context.close() throws inside finally, the error escapes uncaught past this whole try/catch/finally, skipping ui.error(...) and flushAndExit(exitCode) entirely — the process's exit code/message reporting becomes inconsistent with every other failure path in this function.

🛡️ Proposed fix
       } finally {
-        await context.close();
+        try {
+          await context.close();
+        } catch (closeError) {
+          ui.error(closeError instanceof Error ? closeError.message : String(closeError));
+          exitCode = exitCode || 1;
+        }
       }
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
let exitCode = 0;
try {
if (interactive) {
await runInteractiveSession({
context,
input: process.stdin,
output: process.stdout,
color,
});
} else {
const { failures } = await runBatchSession({
context,
input: process.stdin,
output: process.stdout,
color,
echo: true,
});
if (failures > 0) exitCode = 1;
}
} catch (error) {
ui.error(error instanceof Error ? error.message : String(error));
exitCode = 1;
} finally {
await context.close();
}
let exitCode = 0;
try {
if (interactive) {
await runInteractiveSession({
context,
input: process.stdin,
output: process.stdout,
color,
});
} else {
const { failures } = await runBatchSession({
context,
input: process.stdin,
output: process.stdout,
color,
echo: true,
});
if (failures > 0) exitCode = 1;
}
} catch (error) {
ui.error(error instanceof Error ? error.message : String(error));
exitCode = 1;
} finally {
try {
await context.close();
} catch (closeError) {
ui.error(closeError instanceof Error ? closeError.message : String(closeError));
exitCode = exitCode || 1;
}
}
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@packages/1-framework/3-tooling/cli/src/commands/repl.ts` around lines 74 -
98, The `repl` command’s `try/catch/finally` around
`runInteractiveSession`/`runBatchSession` lets a throwing `context.close()`
escape, bypassing `ui.error(...)` and `flushAndExit(exitCode)`. Wrap
`context.close()` in its own error handling inside the `finally` block (or a
nested try/catch) so cleanup failures are reported through `ui.error` and the
existing exit-code flow in `runRepl` still always reaches `flushAndExit`.

Comment on lines +34 to +50
export function formatError(error: unknown, color: boolean): string {
const palette = replPalette(color);
if (typeof error === 'object' && error !== null) {
const structured = error as { code?: unknown; message?: unknown };
if (typeof structured.code === 'string' && typeof structured.message === 'string') {
return palette.red(`✗ ${structured.code}: ${structured.message}`);
}
}
if (
error instanceof Error ||
(typeof error === 'object' && error !== null && 'message' in error)
) {
const err = error as { name?: string; message?: string };
return palette.red(`✗ ${err.name ?? 'Error'}: ${err.message ?? String(error)}`);
}
return palette.red(`✗ ${String(error)}`);
}

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📐 Maintainability & Code Quality | 🟠 Major | ⚡ Quick win

Bare as casts violate the repo's no-bare-casts rule.

error as { code?: unknown; message?: unknown } and error as { name?: string; message?: string } are bare casts in production code.

As per coding guidelines: "No bare as in production code. Use blindCast<T, "Reason"> or castAs<T> from @prisma-next/utils/casts; see the no-bare-casts skill for the decision tree."

♻️ Proposed fix using `castAs`
+import { castAs } from '`@prisma-next/utils/casts`';
+
 export function formatError(error: unknown, color: boolean): string {
   const palette = replPalette(color);
   if (typeof error === 'object' && error !== null) {
-    const structured = error as { code?: unknown; message?: unknown };
+    const structured = castAs<{ code?: unknown; message?: unknown }>(error);
     if (typeof structured.code === 'string' && typeof structured.message === 'string') {
       return palette.red(`✗ ${structured.code}: ${structured.message}`);
     }
   }
   if (
     error instanceof Error ||
     (typeof error === 'object' && error !== null && 'message' in error)
   ) {
-    const err = error as { name?: string; message?: string };
+    const err = castAs<{ name?: string; message?: string }>(error);
     return palette.red(`✗ ${err.name ?? 'Error'}: ${err.message ?? String(error)}`);
   }
   return palette.red(`✗ ${String(error)}`);
 }
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
export function formatError(error: unknown, color: boolean): string {
const palette = replPalette(color);
if (typeof error === 'object' && error !== null) {
const structured = error as { code?: unknown; message?: unknown };
if (typeof structured.code === 'string' && typeof structured.message === 'string') {
return palette.red(`✗ ${structured.code}: ${structured.message}`);
}
}
if (
error instanceof Error ||
(typeof error === 'object' && error !== null && 'message' in error)
) {
const err = error as { name?: string; message?: string };
return palette.red(`✗ ${err.name ?? 'Error'}: ${err.message ?? String(error)}`);
}
return palette.red(`✗ ${String(error)}`);
}
import { castAs } from '`@prisma-next/utils/casts`';
export function formatError(error: unknown, color: boolean): string {
const palette = replPalette(color);
if (typeof error === 'object' && error !== null) {
const structured = castAs<{ code?: unknown; message?: unknown }>(error);
if (typeof structured.code === 'string' && typeof structured.message === 'string') {
return palette.red(`✗ ${structured.code}: ${structured.message}`);
}
}
if (
error instanceof Error ||
(typeof error === 'object' && error !== null && 'message' in error)
) {
const err = castAs<{ name?: string; message?: string }>(error);
return palette.red(`✗ ${err.name ?? 'Error'}: ${err.message ?? String(error)}`);
}
return palette.red(`✗ ${String(error)}`);
}
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@packages/1-framework/3-tooling/cli/src/repl/batch.ts` around lines 34 - 50,
The `formatError` helper uses bare `as` casts, which violates the repo’s
no-bare-casts rule. Replace the inline object casts for `structured` and `err`
with `castAs<T>` or `blindCast<T, "Reason">` from `@prisma-next/utils/casts`,
keeping the same `code`, `message`, and `name` handling logic. Make the change
inside `formatError` so the error formatting behavior stays the same while
removing bare casts.

Source: Coding guidelines

Comment on lines +50 to +57
function isSyntaxErrorLike(error: unknown): boolean {
if (error instanceof SyntaxError) return true;
if (typeof error !== 'object' || error === null) return false;
const candidate = error as { name?: unknown; message?: unknown };
if (candidate.name === 'SyntaxError') return true;
// esbuild transform failures are host Errors with this message prefix.
return typeof candidate.message === 'string' && candidate.message.includes('Transform failed');
}

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📐 Maintainability & Code Quality | 🟠 Major | ⚡ Quick win

Replace bare as casts with castAs/blindCast.

Both the error as { name?: unknown; message?: unknown } cast and the two context as Record<string, unknown> casts are bare as casts in production code.

♻️ Proposed fix using `castAs`
+import { castAs } from '`@prisma-next/utils/casts`';
+
 function isSyntaxErrorLike(error: unknown): boolean {
   if (error instanceof SyntaxError) return true;
   if (typeof error !== 'object' || error === null) return false;
-  const candidate = error as { name?: unknown; message?: unknown };
+  const candidate = castAs<{ name?: unknown; message?: unknown }>(error);
   if (candidate.name === 'SyntaxError') return true;
   return typeof candidate.message === 'string' && candidate.message.includes('Transform failed');
 }
-        const holder = '__prismaNextReplAwaited';
-        (context as Record<string, unknown>)[holder] = value;
+        const holder = '__prismaNextReplAwaited';
+        const contextRecord = castAs<Record<string, unknown>>(context);
+        contextRecord[holder] = value;
         try {
           run(`${keyword} ${name} = ${holder}`);
           userBindings.add(name!);
         } finally {
-          delete (context as Record<string, unknown>)[holder];
+          delete contextRecord[holder];
         }

As per coding guidelines: "No bare as in production code. Use blindCast<T, "Reason"> or castAs<T> from @prisma-next/utils/casts... as const and test files are exempt."

Also applies to: 213-222

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@packages/1-framework/3-tooling/cli/src/repl/evaluator.ts` around lines 50 -
57, Replace the bare TypeScript casts in evaluator.ts with the approved cast
helpers from `@prisma-next/utils/casts`. In isSyntaxErrorLike, replace the local
error narrowing cast on the candidate object with castAs or blindCast, and also
update the two context-to-Record<string, unknown> casts mentioned in the review
to use the same pattern. Keep the existing runtime checks and symbols such as
isSyntaxErrorLike and the context handling logic unchanged, just swap out the
unsafe `as` casts in production code.

Source: Coding guidelines

Comment on lines +103 to +153
function rewriteTopLevelDeclarations(code: string): string {
return rewriteAtTopLevel(code, (rest, emit) => {
const decl = rest.match(/^(?:const|let|var)\s+(?=[A-Za-z_$])/);
if (decl) return decl[0].length;
const asyncFn = rest.match(/^async\s+function\s+([A-Za-z_$][\w$]*)/);
if (asyncFn) {
emit(`${asyncFn[1]} = async function ${asyncFn[1]}`);
return asyncFn[0].length;
}
const fn = rest.match(/^function\s+([A-Za-z_$][\w$]*)/);
if (fn) {
emit(`${fn[1]} = function ${fn[1]}`);
return fn[0].length;
}
const cls = rest.match(/^class\s+([A-Za-z_$][\w$]*)/);
if (cls) {
emit(`${cls[1]} = class ${cls[1]}`);
return cls[0].length;
}
return 0;
});
}

/** Names bound by top-level declarations, including simple destructuring patterns. */
function declaredNames(code: string): string[] {
const names: string[] = [];
rewriteAtTopLevel(code, (rest) => {
const decl = rest.match(/^(?:const|let|var)\s+([^=;\n]+)/);
if (decl) {
// Binding list up to the initializer: `{ a: b }` binds b, plain `a` binds a.
for (const part of decl[1]!.split(',')) {
const ids = part.match(/[A-Za-z_$][\w$]*/g);
if (ids && ids.length > 0) names.push(ids[ids.length - 1]!);
}
return decl[0].length;
}
const fn = rest.match(/^(?:async\s+)?function\s+([A-Za-z_$][\w$]*)/);
if (fn) {
names.push(fn[1]!);
return fn[0].length;
}
const cls = rest.match(/^class\s+([A-Za-z_$][\w$]*)/);
if (cls) {
names.push(cls[1]!);
return cls[0].length;
}
return 0;
});
return names;
}

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🎯 Functional Correctness | 🟠 Major | ⚡ Quick win

declaredNames reports destructured bindings as global even when they never persist.

rewriteTopLevelDeclarations deliberately skips destructuring declarations (identifier-only lookahead), leaving them IIFE-scoped for the top-level-await path — per its own comment, "Destructuring declarations are left untouched (they stay IIFE-scoped)." But declaredNames has no such restriction and extracts names from destructuring patterns unconditionally.

Concretely, for const { rows } = await fetchStuff(): the statement-form await path (lines 239-244) leaves the destructuring decl nested inside the async IIFE (never persisted to the context), yet declaredNames(code) on line 243 still adds rows to userBindings. globalNames() will then report rows as available, but referencing it afterward throws a ReferenceError — likely surfacing as a broken/incorrect autocomplete suggestion.

This isn't covered by any test; the existing destructuring test (lines 138-144) doesn't combine destructuring with await.

🐛 Proposed fix: only report names that rewriteTopLevelDeclarations actually rewrites
 function declaredNames(code: string): string[] {
   const names: string[] = [];
   rewriteAtTopLevel(code, (rest) => {
-    const decl = rest.match(/^(?:const|let|var)\s+([^=;\n]+)/);
+    const decl = rest.match(/^(?:const|let|var)\s+(?=[A-Za-z_$])([^=;\n]+)/);
     if (decl) {

This aligns the identifier-only restriction with rewriteTopLevelDeclarations, so destructuring names are no longer reported as persisted globals for the await path. (Note: this also changes behavior for the non-await path, where destructuring does persist correctly today — verify that tradeoff, or thread a flag through so the identifier restriction only applies when the await/IIFE path is taken.)

Also applies to: 239-244

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@packages/1-framework/3-tooling/cli/src/repl/evaluator.ts` around lines 103 -
153, `declaredNames` is over-reporting destructured bindings as persistent
globals even though `rewriteTopLevelDeclarations` intentionally leaves
destructuring untouched in the await/IIFE path. Update `declaredNames` to match
the same top-level rewrite rules (or thread a flag from the await path) so it
only returns names that actually survive rewriting, and keep
`rewriteTopLevelDeclarations`, `declaredNames`, and the
`userBindings`/`globalNames` flow aligned for cases like `const { rows } = await
...`.

Comment on lines +107 to +121
const asyncFn = rest.match(/^async\s+function\s+([A-Za-z_$][\w$]*)/);
if (asyncFn) {
emit(`${asyncFn[1]} = async function ${asyncFn[1]}`);
return asyncFn[0].length;
}
const fn = rest.match(/^function\s+([A-Za-z_$][\w$]*)/);
if (fn) {
emit(`${fn[1]} = function ${fn[1]}`);
return fn[0].length;
}
const cls = rest.match(/^class\s+([A-Za-z_$][\w$]*)/);
if (cls) {
emit(`${cls[1]} = class ${cls[1]}`);
return cls[0].length;
}

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🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

Generator function declarations aren't recognized by the rewrite/name-extraction regexes.

/^(?:async\s+)?function\s+([A-Za-z_$][\w$]*)/ requires whitespace immediately after function, so function* gen(){} doesn't match. In the top-level-await statement path, this silently drops the generator's binding (left IIFE-scoped, untouched) while other function forms persist correctly.

🐛 Proposed fix to accept generator syntax
-    const asyncFn = rest.match(/^async\s+function\s+([A-Za-z_$][\w$]*)/);
+    const asyncFn = rest.match(/^async\s+function\*?\s+([A-Za-z_$][\w$]*)/);
     if (asyncFn) {
       emit(`${asyncFn[1]} = async function ${asyncFn[1]}`);
       return asyncFn[0].length;
     }
-    const fn = rest.match(/^function\s+([A-Za-z_$][\w$]*)/);
+    const fn = rest.match(/^function\*?\s+([A-Za-z_$][\w$]*)/);

Apply the equivalent change in declaredNames' matching regex as well.

Also applies to: 139-148

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@packages/1-framework/3-tooling/cli/src/repl/evaluator.ts` around lines 107 -
121, Generator function declarations are not being recognized by the
name-rewrite logic in the REPL evaluator, so `function*` bindings are missed
while other declarations are preserved. Update the declaration matching in
`declaredNames` and the related rewrite path in `evaluator.ts` to accept
generator syntax for both regular and async functions, using the existing
`asyncFn`, `fn`, and `cls` handling as the place to extend the regex so
generator declarations are detected and rewritten consistently.

Comment on lines +15 to +17
return code.replaceAll(TOKEN, (match, ...args) => {
const groups = args[args.length - 1] as Record<string, string | undefined>;
if (groups['string'] !== undefined) return green(match);

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📐 Maintainability & Code Quality | 🟠 Major | ⚡ Quick win

Replace bare as cast with castAs<T>.

args[args.length - 1] as Record<string, string | undefined> is a bare cast in production code. The logic itself is correct (the named-groups object is always the last replace/replaceAll callback argument), but the cast mechanism itself violates the repo's no-bare-cast rule.

As per coding guidelines: "No bare as in production code. Use blindCast<T, "Reason"> or castAs<T> from @prisma-next/utils/casts".

♻️ Proposed fix
-import { replPalette } from './palette';
+import { castAs } from '`@prisma-next/utils/casts`';
+import { replPalette } from './palette';
...
-    const groups = args[args.length - 1] as Record<string, string | undefined>;
+    const groups = castAs<Record<string, string | undefined>>(args[args.length - 1]);
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
return code.replaceAll(TOKEN, (match, ...args) => {
const groups = args[args.length - 1] as Record<string, string | undefined>;
if (groups['string'] !== undefined) return green(match);
import { castAs } from '`@prisma-next/utils/casts`';
import { replPalette } from './palette';
return code.replaceAll(TOKEN, (match, ...args) => {
const groups = castAs<Record<string, string | undefined>>(args[args.length - 1]);
if (groups['string'] !== undefined) return green(match);
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@packages/1-framework/3-tooling/cli/src/repl/highlight.ts` around lines 15 -
17, Replace the bare type assertion in highlight.ts with the approved cast
helper. In the replaceAll callback inside the code path that uses TOKEN, swap
`args[args.length - 1] as Record<string, string | undefined>` to
`castAs<Record<string, string | undefined>>(...)` from
`@prisma-next/utils/casts`, keeping the existing `groups['string']` logic
unchanged. Ensure the import is added or reused consistently so the
`code.replaceAll` callback no longer contains a bare `as` cast.

Source: Coding guidelines

Comment on lines +55 to +57
function isReplSupportedTarget(targetId: string): targetId is ReplSupportedTarget {
return (REPL_SUPPORTED_TARGETS as readonly string[]).includes(targetId);
}

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📐 Maintainability & Code Quality | 🟠 Major | ⚡ Quick win

Bare as casts violate the no-bare-casts guideline.

Three spots cast unknown/a literal tuple through an inline anonymous type. All are avoidable without castAs/blindCast, by using an equality check or the isRecord guard pattern already used in schema-info.ts.

♻️ Proposed fix removing all three casts
+function isRecord(value: unknown): value is Record<string, unknown> {
+  return typeof value === 'object' && value !== null && !Array.isArray(value);
+}
+
 function isReplSupportedTarget(targetId: string): targetId is ReplSupportedTarget {
-  return (REPL_SUPPORTED_TARGETS as readonly string[]).includes(targetId);
+  return REPL_SUPPORTED_TARGETS.some((supported) => supported === targetId);
 }

 function extensionPackIds(contractJson: unknown): string[] {
-  if (typeof contractJson !== 'object' || contractJson === null) return [];
-  const packs = (contractJson as { extensionPacks?: unknown }).extensionPacks;
-  if (typeof packs !== 'object' || packs === null) return [];
+  if (!isRecord(contractJson)) return [];
+  const packs = contractJson['extensionPacks'];
+  if (!isRecord(packs)) return [];
   return Object.keys(packs);
 }
 function isRuntimeClient(value: unknown): value is ReplRuntimeClient {
   return (
-    typeof value === 'object' &&
-    value !== null &&
+    isRecord(value) &&
     'sql' in value &&
     'orm' in value &&
     'enums' in value &&
     'raw' in value &&
-    typeof (value as { runtime?: unknown }).runtime === 'function' &&
-    typeof (value as { close?: unknown }).close === 'function'
+    typeof value['runtime'] === 'function' &&
+    typeof value['close'] === 'function'
   );
 }

As per coding guidelines, "No bare as in production code. Use blindCast<T, \"Reason\"> or castAs<T> from @prisma-next/utils/casts... as const and test files are exempt."

Also applies to: 59-64, 99-110

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@packages/1-framework/3-tooling/cli/src/repl/load-repl-context.ts` around
lines 55 - 57, Remove the bare `as` casts in `load-repl-context.ts` and replace
them with type-safe narrowing. In `isReplSupportedTarget`, avoid casting
`REPL_SUPPORTED_TARGETS` through `readonly string[]`; use a guard that narrows
via direct equality or a safer helper pattern instead. Apply the same approach
to the other cast sites in this module so the logic relies on runtime checks
rather than inline anonymous-type casts, following the `schema-info.ts` guard
style.

Source: Coding guidelines

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