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fix(subgraph): repair legacy proxyWidgets promotions before writing them, the way the frontend does on load (BE-10305) - #819

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fix(subgraph): repair legacy proxyWidgets promotions before writing them, the way the frontend does on load (BE-10305)#819
skishore23 wants to merge 3 commits into
kishore/applier-op-shapesfrom
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@skishore23 skishore23 commented Aug 28, 2026

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Stacked on #818#816#815#812#809. Closes the "legacy proxies not backed by a linked input still route to the interior" gap left open in #815.

Why

364 of the 1,922 proxyWidgets entries in the gallery corpus (old templates) are not backed by a linked subgraph input. For those, #815 kept the legacy behaviour — a write into the interior node, an edit under "layer 2" that the frontend's load-time migration happens to re-seed the host from, but that no other promoted write shares and that comfy run never submitted as a host value.

What

A faithful port of the frontend's forward migration (proxyWidgetMigration.ts, ADR 0009) into cql.promoted, run on write:

cql.promoted now carries a port of the frontend's forward migration
(proxyWidgetMigration.ts, ADR 0009): plan_proxy_migration classifies
every entry of an instance exactly as classify does (already linked;
createSubgraphInput; PrimitiveNode fan-out bypass, all-or-quarantine;
$$/preview pseudo-widget exposure; quarantine with the frontend's reason
codes), and flush_proxy_migration performs it: a subgraph input named with
nextUniqueName, a boundary link from the subgraph input node into the
widget's backing input slot (synthesized in the shape the frontend
serializes when an older save omits it), the host value read positionally
by legacy proxy order, quarantine rows {originalEntry, reason, hostValue?, attemptedAtVersion: 1}, repaired entries consumed. Preview entries are left
in proxyWidgets so the frontend's own preview-exposure migration (and its
auto-exposure of preview nodes) produces the state it would have produced
from the untouched file.

resolve_write turns such an entry — addressed flat, by its legacy widget
name, or through the interior widget/primitive target it owns — into a HOST
target carrying the repair; the op records promoted.repair = {entry, ids}
with input/link ids derived by SHA-256 from (instance path, source node,
widget), never random, so replay on another replica is byte-identical and
concurrent repairs of one instance converge. A shared definition is forked
first, like an interior write. Entries the migration quarantines
(control_after_generate has no backing slot) keep the interior widget as
the live one, so those writes land there as before.

Reads present a pending repair where the frontend will show it:
slots/effective_value advertise <instance>.<name> with the legacy host
value or the interior source, and hide the interior address; reads never
mutate. The converter now overlays a host value onto EVERY boundary-link
target, which a repaired primitive fan-out needs.

Fixtures: three verbatim gallery templates (primitive fan-outs under user
titles, $$canvas-image-preview exposures next to a value widget with no
serialized input slot, and the common seed + control_after_generate
pair) with a trimmed cloud catalog. TestSetWidgetSubgraph is rewritten for
the migration semantics on a realistic legacy fixture, with the old
declared-but-unlinked shape pinned separately (nextUniqueName mints
text_1 beside the dangling socket).

Verification

Targeted subgraph/edit/converter suites on the rebased head: 635 passed; full suite on the stack head (#820) is reported there. ruff 0.15.15 check + format clean. Contract: §8.7 pinned text + Amendment v1.5 §14.4.

Known follow-ups (pre-existing, not introduced here)

  • A host write on an instance whose proxyWidgets entries are ALL already linked does not flush the legacy list, so a linked-order widgets_values sits beside a proxy-order-indexed legacy list. Harmless when the orders coincide — they do in every gallery template — but a hazard in principle; flushing on any host write would close it.
  • Replaying a repair op requires the catalog (graph=None raises clearly rather than quarantining everything).

Verification on this head (27214b8a): full suite 6301 passed, 38 skipped.

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@dosubot dosubot Bot added the size:XXL This PR changes 1000+ lines, ignoring generated files. label Aug 28, 2026
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📝 Walkthrough

Walkthrough

Legacy proxyWidgets entries can now migrate into linked subgraph inputs. Promoted reads and writes resolve repaired host addresses. Shared definitions are isolated before mutation. Deterministic repair metadata supports replay and convergence.

Changes

Legacy proxy migration

Layer / File(s) Summary
Plan and flush legacy proxy repairs
comfy_cli/cql/promoted.py
The module classifies legacy entries, validates widget sources, handles primitive fan-out, creates linked inputs, reconnects boundary links, preserves preview entries, quarantines failures, and generates deterministic repair identifiers.
Integrate repaired writes and slots
comfy_cli/cql/engine.py, comfy_cli/workflow_ops.py, comfy_cli/workflow_to_api.py, docs/op-vocabulary-v1.md
Slot discovery exposes repairable promotions at host addresses. Promoted writes flush repairs before host updates. Replay isolates shared definitions. API conversion applies host values to all repaired targets.
Validate migration behavior
tests/comfy_cli/command/*, tests/comfy_cli/cql/test_proxy_migration.py, tests/comfy_cli/fixtures/gallery/*, tests/comfy_cli/fixtures/object_info_legacy_proxy.json
Tests cover repair planning, writes, reads, slots, primitive fan-out, quarantine, type validation, replay, convergence, shared-definition isolation, and CLI persistence. Gallery workflows and object metadata provide migration fixtures.

Merge Risk: 🟡 Moderate · up to 27214

This change repairs legacy proxy writes, but the current implementation can misroute a repaired nested-instance value when its projected input name differs from the widget name, and can abort migration on malformed link data. These bounded correctness and robustness issues should be fixed before merging.

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Actionable comments posted: 3

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Inline comments:
In `@comfy_cli/cql/promoted.py`:
- Around line 1347-1350: Update the link comprehension in the primitive-link
scan around _primitive_targets and _remove_link to include only dictionary
entries before calling get("origin_id"). Preserve the existing origin_id and
origin_slot filtering while skipping malformed non-dict links without raising.
- Around line 1314-1327: Update the synthesized input slot in the
createSubgraphInput branch to use e.source_input or e.widget for localized_name,
name, and the widget name, preserving e.widget as the fallback when source_input
is unavailable.

In `@tests/comfy_cli/cql/test_proxy_migration.py`:
- Around line 87-178: Add a test alongside the existing classification tests
that configures a proxy entry with the node-id-prefixed widget name “52:seed”
and verifies normalization resolves it to the “seed” widget, preserves
disambiguator “52”, and produces the createSubgraphInput plan with name “seed”.
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Reviewing files that changed from the base of the PR and between 8f83af6 and 27214b8.

📒 Files selected for processing (14)
  • comfy_cli/cql/engine.py
  • comfy_cli/cql/promoted.py
  • comfy_cli/workflow_ops.py
  • comfy_cli/workflow_to_api.py
  • docs/op-vocabulary-v1.md
  • tests/comfy_cli/command/test_workflow_edit.py
  • tests/comfy_cli/command/test_workflow_edit_legacy_proxy.py
  • tests/comfy_cli/command/test_workflow_slots.py
  • tests/comfy_cli/cql/test_proxy_migration.py
  • tests/comfy_cli/fixtures/gallery/README.md
  • tests/comfy_cli/fixtures/gallery/flux_dev_checkpoint_example.json
  • tests/comfy_cli/fixtures/gallery/template_horizontal_vertical_extension.json
  • tests/comfy_cli/fixtures/gallery/templates_graphic_design_recomposer.json
  • tests/comfy_cli/fixtures/object_info_legacy_proxy.json

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Comment thread comfy_cli/cql/promoted.py
Comment thread comfy_cli/cql/promoted.py Outdated
Comment thread tests/comfy_cli/cql/test_proxy_migration.py
skishore23 added a commit that referenced this pull request Aug 28, 2026
…ecting input; guard the primitive link scan (PR #819 review)

A legacy proxyWidgets entry whose source is a nested subgraph instance is
backed by that instance's own host input for the PROJECTING subgraph input
(`getSlotFromWidget(promotedInputWidget(input))`). When the instance
serializes no such slot, the repair synthesized one named after the interior
widget instead — a name the inner definition cannot resolve when the two
differ, so the outer promotion never reached the concrete widget. The
synthesized slot now carries the projecting input's name (the shape a
subgraph instance serializes), pinned on a fixture where the names differ.

The primitive-bypass link scan now screens non-dict link entries like every
other scan in the module. Also pins the `<id>:widget` legacy prefix rule
(`normalizeLegacyProxyWidgetEntry`) and the disambiguator match through a
nested instance.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
@skishore23
skishore23 force-pushed the kishore/applier-op-shapes branch from e6d462e to 8f5fd93 Compare August 28, 2026 08:15
skishore23 added a commit that referenced this pull request Aug 28, 2026
…ecting input; guard the primitive link scan (PR #819 review)

A legacy proxyWidgets entry whose source is a nested subgraph instance is
backed by that instance's own host input for the PROJECTING subgraph input
(`getSlotFromWidget(promotedInputWidget(input))`). When the instance
serializes no such slot, the repair synthesized one named after the interior
widget instead — a name the inner definition cannot resolve when the two
differ, so the outer promotion never reached the concrete widget. The
synthesized slot now carries the projecting input's name (the shape a
subgraph instance serializes), pinned on a fixture where the names differ.

The primitive-bypass link scan now screens non-dict link entries like every
other scan in the module. Also pins the `<id>:widget` legacy prefix rule
(`normalizeLegacyProxyWidgetEntry`) and the disambiguator match through a
nested instance.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
@skishore23
skishore23 force-pushed the kishore/legacy-proxy-repair branch from 2edaec3 to de3d37c Compare August 28, 2026 08:15
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@skishore23
skishore23 requested a review from annehe9 August 28, 2026 17:20
skishore23 and others added 3 commits August 28, 2026 10:21
…hem, the way the frontend does on load (BE-10305)

A `properties.proxyWidgets` entry the subgraph definition does not back
with a linked input used to route `set-widget`/`set-slot`/`vary` into the
interior node — an edit under layer 2 that the frontend's load-time
migration re-seeds the host from (so it looked right) but that no other
promoted write shares and that `comfy run` never submitted as a host value.

`cql.promoted` now carries a port of the frontend's forward migration
(`proxyWidgetMigration.ts`, ADR 0009): `plan_proxy_migration` classifies
every entry of an instance exactly as `classify` does (already linked;
`createSubgraphInput`; `PrimitiveNode` fan-out bypass, all-or-quarantine;
`$$`/preview pseudo-widget exposure; quarantine with the frontend's reason
codes), and `flush_proxy_migration` performs it: a subgraph input named with
`nextUniqueName`, a boundary link from the subgraph input node into the
widget's backing input slot (synthesized in the shape the frontend
serializes when an older save omits it), the host value read positionally
by legacy proxy order, quarantine rows `{originalEntry, reason, hostValue?,
attemptedAtVersion: 1}`, repaired entries consumed. Preview entries are left
in `proxyWidgets` so the frontend's own preview-exposure migration (and its
auto-exposure of preview nodes) produces the state it would have produced
from the untouched file.

`resolve_write` turns such an entry — addressed flat, by its legacy widget
name, or through the interior widget/primitive target it owns — into a HOST
target carrying the repair; the op records `promoted.repair = {entry, ids}`
with input/link ids derived by SHA-256 from (instance path, source node,
widget), never random, so replay on another replica is byte-identical and
concurrent repairs of one instance converge. A shared definition is forked
first, like an interior write. Entries the migration quarantines
(`control_after_generate` has no backing slot) keep the interior widget as
the live one, so those writes land there as before.

Reads present a pending repair where the frontend will show it:
`slots`/`effective_value` advertise `<instance>.<name>` with the legacy host
value or the interior source, and hide the interior address; reads never
mutate. The converter now overlays a host value onto EVERY boundary-link
target, which a repaired primitive fan-out needs.

Fixtures: three verbatim gallery templates (primitive fan-outs under user
titles, `$$canvas-image-preview` exposures next to a value widget with no
serialized input slot, and the common `seed` + `control_after_generate`
pair) with a trimmed cloud catalog. `TestSetWidgetSubgraph` is rewritten for
the migration semantics on a realistic legacy fixture, with the old
declared-but-unlinked shape pinned separately (`nextUniqueName` mints
`text_1` beside the dangling socket).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
…ecting input; guard the primitive link scan (PR #819 review)

A legacy proxyWidgets entry whose source is a nested subgraph instance is
backed by that instance's own host input for the PROJECTING subgraph input
(`getSlotFromWidget(promotedInputWidget(input))`). When the instance
serializes no such slot, the repair synthesized one named after the interior
widget instead — a name the inner definition cannot resolve when the two
differ, so the outer promotion never reached the concrete widget. The
synthesized slot now carries the projecting input's name (the shape a
subgraph instance serializes), pinned on a fixture where the names differ.

The primitive-bypass link scan now screens non-dict link entries like every
other scan in the module. Also pins the `<id>:widget` legacy prefix rule
(`normalizeLegacyProxyWidgetEntry`) and the disambiguator match through a
nested instance.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
…nd test

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
@skishore23
skishore23 force-pushed the kishore/applier-op-shapes branch from 8f5fd93 to fa5f876 Compare August 28, 2026 17:22
@skishore23
skishore23 force-pushed the kishore/legacy-proxy-repair branch from de3d37c to db071b0 Compare August 28, 2026 17:22
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