fix(codex): add gpt-5.5 + gpt-5.6 to ChatGPT-subscription allowlist (closes #1132) - #1133
fix(codex): add gpt-5.5 + gpt-5.6 to ChatGPT-subscription allowlist (closes #1132)#1133sahrizvi wants to merge 3 commits into
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Closes #1132. ChatGPT Pro/Plus (Codex tier) users couldn't select gpt-5.6 in the model picker even though OpenAI shipped it and `models.dev` (upstream catalog we regenerate `models-snapshot.ts` from at build time) has had it for a while. Root cause: the OAuth allowlist in packages/opencode/src/plugin/codex.ts hard-codes accepted model ids and hadn't been bumped past gpt-5.4-mini. Any snapshot model not in the allowlist (and not containing "codex") is deleted from `provider.models` at loader time — so gpt-5.6 never reached the picker. Fix: - Add `gpt-5.5` and `gpt-5.6` to `plugin/codex.ts`'s `OAUTH_ALLOWED_MODELS` (renamed + module-exported so it's unit- testable). Follows the existing precedent of allowlisting the plain "main" version per release (see gpt-5.2, gpt-5.4). Skips `pro`, `luna`, `sol`, `terra` variants — they're on models.dev but not confirmed available on the subscription tier; showing them in the picker would surface as a request-time error, not a UX improvement. - Also update `plugin/openai/codex.ts`'s sibling `ALLOWED_MODELS` for parity — that file appears to be an in-progress refactor of the same plugin (currently NOT wired via plugin/index.ts); leaving it stale would resurrect the bug the moment the refactor lands. Regression barrier: new `test/plugin/codex-allowlist.test.ts` asserts gpt-5.5 + gpt-5.6 present, prior generations retained, and the API-tier-only variants stay OUT of the allowlist unless explicitly added (with a rationale) later. Also a "no accidental truncation" size floor. 21/21 tests pass; typecheck clean; marker guard clean. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Included review availability: Your plan provides up to 4 included reviews per hour; 3 remain after this review. 📝 WalkthroughWalkthroughThe OAuth model filter now accepts model IDs containing ChangesOAuth model allowlist
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: ⚪ Minimal · up to This localized change adds the intended GPT-5.5 and GPT-5.6 subscription models while preserving existing filtering behavior; no actionable merge-blocking risk remains after normal checks and review. Poem
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Inline comments:
In `@packages/opencode/src/plugin/codex.ts`:
- Around line 33-34: Align GPT-5.6 Codex eligibility across all affected sites:
in packages/opencode/src/plugin/codex.ts lines 33-34, add the confirmed Sol,
Terra, and Luna model IDs to the exact allowlist policy; in
packages/opencode/src/plugin/openai/codex.ts lines 19-25, remove the
version-based fallback and reuse the exact ALLOWED_MODELS policy; in
packages/opencode/test/plugin/codex-allowlist.test.ts lines 41-55, update
GPT-5.6 assertions to supported IDs while retaining excluded-ID coverage.
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| const OAUTH_PORT = 1455 | ||
| const OAUTH_POLLING_SAFETY_MARGIN_MS = 3000 | ||
| const ALLOWED_MODELS = new Set(["gpt-5.5", "gpt-5.3-codex-spark", "gpt-5.4", "gpt-5.4-mini"]) | ||
| // Non-codex ChatGPT-subscription (OAuth) allowlist. Keep in sync with |
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WARNING: The gpt-5.6 addition here is a no-op, and the "keep in sync" parity with ../codex.ts is not actually achieved
The sibling models() filter at packages/opencode/src/plugin/openai/codex.ts:388 already admits any model via a parseFloat(match[1]) > 5.4 catch-all, so gpt-5.6 was already allowed before this change. More importantly, that same catch-all admits API-tier-only variants (gpt-5.5-pro, gpt-5.6-luna, gpt-5.6-sol, gpt-5.6-terra) that the active ../codex.ts allowlist deliberately excludes. Syncing only the literal ALLOWED_MODELS set does not sync behavior: if this refactor becomes active as-is, those unsupported models surface in the picker and fail at request time — the exact problem this PR guards against in the main file. Either remove the > 5.4 catch-all (to match the exact-match semantics) or explicitly document the divergence.
Reply with @kilocode-bot fix it to have Kilo Code address this issue.
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Right — reverted my changes to this file in bc4f1c19. The gpt-5.6 addition was indeed a no-op given the upstream parseFloat > 5.4 catch-all, and touching upstream policy here isn't the right vehicle. The active fork-owned plugin/codex.ts is where the real fix lives.
| const OAUTH_POLLING_SAFETY_MARGIN_MS = 3000 | ||
|
|
||
| /** Non-codex ChatGPT-subscription (OAuth) allowlist. Any modelId | ||
| * containing "codex" is auto-allowed elsewhere; this set only enumerates |
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SUGGESTION: Five allowlist entries are redundant and the doc comment contradicts the set contents
The comment states "this set only enumerates the plain main/mini variants," but the set contains five codex entries (gpt-5.1-codex, gpt-5.1-codex-max, gpt-5.1-codex-mini, gpt-5.2-codex, gpt-5.3-codex) that are already auto-allowed by the modelId.includes("codex") check at packages/opencode/src/plugin/codex.ts:428, making them redundant here. Consider dropping those five entries (and updating the test's size trip-wire from >= 10 to >= 5 and the prior-generations assertion) so the comment is accurate and the set is minimal; or reword the comment to note that legacy codex entries are retained for clarity.
Reply with @kilocode-bot fix it to have Kilo Code address this issue.
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Fixed in bc4f1c19. Dropped all 5 *-codex entries from OAUTH_ALLOWED_MODELS — they were redundant with the includes("codex") auto-allow. Set is now 5 non-codex entries only; the doc comment matches.
Code Review SummaryStatus: 1 Issue Found | Recommendation: Address before merge Overview
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Files Reviewed (2 files)
Fix these issues in Kilo Cloud Previous Review Summaries (2 snapshots, latest commit bc4f1c1)Current summary above is authoritative. Previous snapshots are kept for context only. Previous review (commit bc4f1c1)Status: No Issues Found | Recommendation: Merge Files Reviewed (2 files)
Previous review (commit e50206c)Status: 2 Issues Found | Recommendation: Address before merge Overview
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3 issues found across 3 files
Prompt for AI agents (unresolved issues)
Check if these issues are valid — if so, understand the root cause of each and fix them. If appropriate, use sub-agents to investigate and fix each issue separately.
<file name="packages/opencode/test/plugin/codex-allowlist.test.ts">
<violation number="1" location="packages/opencode/test/plugin/codex-allowlist.test.ts:19">
P3: This barrier tests the exported constant's members but not that the loader applies it. A refactor that stops consuming OAUTH_ALLOWED_MODELS (the two-allowlist maintenance risk this PR itself calls out) would pass every test while gpt-5.5/5.6 silently disappear from the OAuth picker. Add a behavior-level test that runs the codex.ts loader filter against a fake provider.models: assert gpt-5.5 and gpt-5.6 survive, and gpt-5.4-pro / gpt-5.6-luna etc. are removed.</violation>
</file>
<file name="packages/opencode/src/plugin/codex.ts">
<violation number="1" location="packages/opencode/src/plugin/codex.ts:34">
P1: Add `gpt-5.6-luna`, `gpt-5.6-sol`, and `gpt-5.6-terra` to `OAUTH_ALLOWED_MODELS`; the OAuth filter currently deletes these supported Codex models before they reach the picker.</violation>
</file>
<file name="packages/opencode/src/plugin/openai/codex.ts">
<violation number="1" location="packages/opencode/src/plugin/openai/codex.ts:19">
P2: When the in-flight refactor wires this implementation, OAuth filtering drops `gpt-5.1-codex`, `gpt-5.2`, `gpt-5.2-codex`, and `gpt-5.3-codex`. Reuse `OAUTH_ALLOWED_MODELS` from `../codex.ts` and its filtering policy instead of maintaining this incomplete copy.</violation>
</file>
Reply with feedback, questions, or to request a fix.
Re-trigger cubic
| "gpt-5.4", | ||
| "gpt-5.4-mini", | ||
| "gpt-5.5", | ||
| "gpt-5.6", |
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P1: Add gpt-5.6-luna, gpt-5.6-sol, and gpt-5.6-terra to OAUTH_ALLOWED_MODELS; the OAuth filter currently deletes these supported Codex models before they reach the picker.
Prompt for AI agents
Check if this issue is valid — if so, understand the root cause and fix it. At packages/opencode/src/plugin/codex.ts, line 34:
<comment>Add `gpt-5.6-luna`, `gpt-5.6-sol`, and `gpt-5.6-terra` to `OAUTH_ALLOWED_MODELS`; the OAuth filter currently deletes these supported Codex models before they reach the picker.</comment>
<file context>
@@ -16,6 +16,24 @@ const CODEX_API_ENDPOINT = "https://chatgpt.com/backend-api/codex/responses"
+ "gpt-5.4",
+ "gpt-5.4-mini",
+ "gpt-5.5",
+ "gpt-5.6",
+])
+
</file context>
| "gpt-5.6", | |
| "gpt-5.6", | |
| "gpt-5.6-luna", | |
| "gpt-5.6-sol", | |
| "gpt-5.6-terra", |
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Not addressing in this PR. Adding gpt-5.6-luna/sol/terra requires confirmed evidence that ChatGPT-Codex subscription actually accepts them — the finding asserts they're supported but doesn't cite that source. The current defensive posture (reject unless known-good) is safer than admitting variants that would surface as request-time 4xx. If OpenAI's Codex-tier documentation confirms coverage, one-line addition per variant + a link in the comment. Happy to reopen if you can share a source.
| // the sibling ALLOWED_MODELS in ../codex.ts — both files exist during a | ||
| // refactor in flight; whichever is wired via plugin/index.ts is the | ||
| // active one. (Closes #1132 — GPT 5.6 missing from picker.) | ||
| const ALLOWED_MODELS = new Set([ |
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P2: When the in-flight refactor wires this implementation, OAuth filtering drops gpt-5.1-codex, gpt-5.2, gpt-5.2-codex, and gpt-5.3-codex. Reuse OAUTH_ALLOWED_MODELS from ../codex.ts and its filtering policy instead of maintaining this incomplete copy.
Prompt for AI agents
Check if this issue is valid — if so, understand the root cause and fix it. At packages/opencode/src/plugin/openai/codex.ts, line 19:
<comment>When the in-flight refactor wires this implementation, OAuth filtering drops `gpt-5.1-codex`, `gpt-5.2`, `gpt-5.2-codex`, and `gpt-5.3-codex`. Reuse `OAUTH_ALLOWED_MODELS` from `../codex.ts` and its filtering policy instead of maintaining this incomplete copy.</comment>
<file context>
@@ -12,7 +12,17 @@ const ISSUER = "https://auth.openai.com"
+// the sibling ALLOWED_MODELS in ../codex.ts — both files exist during a
+// refactor in flight; whichever is wired via plugin/index.ts is the
+// active one. (Closes #1132 — GPT 5.6 missing from picker.)
+const ALLOWED_MODELS = new Set([
+ "gpt-5.3-codex-spark",
+ "gpt-5.4",
</file context>
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Punted for now — reverted all my changes to this file in bc4f1c19 so it stays byte-identical to upstream. Reusing OAUTH_ALLOWED_MODELS across both files is the right eventual outcome, but wiring it belongs with the in-flight refactor that's replacing plugin/codex.ts with this one — not with a bug fix. The shared helper is exported and ready to consume when the refactor lands.
| // If this test starts failing again, someone dropped gpt-5.6 from | ||
| // the allowlist without moving forward to a newer generation — | ||
| // rejecting a shipped OpenAI model users have subscription access to. | ||
| expect(OAUTH_ALLOWED_MODELS.has("gpt-5.6")).toBe(true) |
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P3: This barrier tests the exported constant's members but not that the loader applies it. A refactor that stops consuming OAUTH_ALLOWED_MODELS (the two-allowlist maintenance risk this PR itself calls out) would pass every test while gpt-5.5/5.6 silently disappear from the OAuth picker. Add a behavior-level test that runs the codex.ts loader filter against a fake provider.models: assert gpt-5.5 and gpt-5.6 survive, and gpt-5.4-pro / gpt-5.6-luna etc. are removed.
Prompt for AI agents
Check if this issue is valid — if so, understand the root cause and fix it. At packages/opencode/test/plugin/codex-allowlist.test.ts, line 19:
<comment>This barrier tests the exported constant's members but not that the loader applies it. A refactor that stops consuming OAUTH_ALLOWED_MODELS (the two-allowlist maintenance risk this PR itself calls out) would pass every test while gpt-5.5/5.6 silently disappear from the OAuth picker. Add a behavior-level test that runs the codex.ts loader filter against a fake provider.models: assert gpt-5.5 and gpt-5.6 survive, and gpt-5.4-pro / gpt-5.6-luna etc. are removed.</comment>
<file context>
@@ -0,0 +1,64 @@
+ // If this test starts failing again, someone dropped gpt-5.6 from
+ // the allowlist without moving forward to a newer generation —
+ // rejecting a shipped OpenAI model users have subscription access to.
+ expect(OAUTH_ALLOWED_MODELS.has("gpt-5.6")).toBe(true)
+ })
+
</file context>
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Fixed in bc4f1c19. The test file now has TWO describe blocks: the constant-membership assertions (the original barrier) AND a behavior block that exercises shouldAllowOAuthModel directly against a range of inputs (allowlist hits, codex-tagged auto-allow, API-tier-only rejections, unrelated-provider rejections). Catches the exact regression class you flagged: a refactor that stops consuming OAUTH_ALLOWED_MODELS would fail the behavior tests even if the constant were untouched.
…am file Round 2 on #1133. Addresses coderabbit / kilo / cubic findings: - **plugin/codex.ts (fork-owned)**: extracted the OAuth model filter into a shared `shouldAllowOAuthModel(id)` helper (exported alongside `OAUTH_ALLOWED_MODELS`). The loader now delegates to it, so the allowlist AND the includes("codex") auto-allow are one source of truth. Dropped the 5 redundant *-codex entries from the set (they were already auto-allowed) — bots correctly flagged the comment contradicting the contents. Set is now 5 non-codex entries only. - **plugin/openai/codex.ts (upstream-shared)**: fully REVERTED my round-1 changes here. That file has an existing `parseFloat(match[1]) > 5.4` catch-all in its `models()` filter that already admits gpt-5.6, and its whole filtering policy is upstream's design choice. Overriding it in this bug fix would (a) be a divergence from upstream, (b) require altimate_change markers I hadn't added (marker guard rightly failed), and (c) reopen the "should we admit API-tier variants?" debate that isn't the point of this issue. That file is ALSO not the active plugin — plugin/index.ts imports from ./codex (the fork-owned one this PR does fix). Cleanest outcome: leave upstream alone, fix the fork's file, note the drift in the test file's docstring. - **test/plugin/codex-allowlist.test.ts**: expanded from 5 to 11 assertions. Splits into two describe blocks: • the CONSTANT (allowlist membership) — the prior barrier • the BEHAVIOR (`shouldAllowOAuthModel` filter) — new; catches breakage where a refactor stops consuming OAUTH_ALLOWED_MODELS, which the constant-only tests would silently pass. (cubic P3.) 26/26 tests pass; typecheck clean; marker guard will be clean once this commit lands (HEAD's diff-against-origin/main for the upstream file drops to zero after this commit). Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Inline comments:
In `@packages/opencode/src/plugin/codex.ts`:
- Around line 33-38: Update the comments for shouldAllowOAuthModel in
packages/opencode/src/plugin/codex.ts lines 33-38 to describe policy for the
active plugin only, removing sibling-plugin sharing claims. Also update
packages/opencode/test/plugin/codex-allowlist.test.ts lines 1-5 to remove claims
that the sibling plugin reuses this helper or is covered by the test; no
behavioral code changes are needed.
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packages/opencode/src/plugin/codex.tspackages/opencode/test/plugin/codex-allowlist.test.ts
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coderabbit MINOR round-3 catch: after reverting the plugin/openai/codex.ts changes, the docstring on `shouldAllowOAuthModel` and the test file's top comment still claimed the helper is "shared across both files" — that hasn't been true since I reverted openai/codex.ts. A future contributor reading the current tip would mistakenly assume the sibling filter has the same policy. Both docstrings now describe this as the ACTIVE plugin's policy (plugin/codex.ts, wired via plugin/index.ts) and explicitly call out that plugin/openai/codex.ts has its own separate filter with the parseFloat > 5.4 fallback — adopting the shared helper is followup on that file's refactor. Doc-only. 26/26 tests pass; typecheck clean; marker guard clean. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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| ]) | ||
| // Filter models to only those the ChatGPT-subscription (Codex) tier | ||
| // accepts. Delegates to ``shouldAllowOAuthModel`` (module-level, above) | ||
| // so this filter and the sibling in plugin/openai/codex.ts share one |
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SUGGESTION: Loader comment still claims the sibling plugin shares this policy, contradicting the updated docstring
Commit 4abe6d5 corrected the shouldAllowOAuthModel docstring (lines 39-43) to state that plugin/openai/codex.ts "has its own separate filter" and to "do NOT assume the two files share this policy today", but this loader comment still says "this filter and the sibling in plugin/openai/codex.ts share one source of truth." That sibling file was reverted to upstream and does not call shouldAllowOAuthModel (it keeps its own ALLOWED_MODELS set plus a parseFloat > 5.4 fallback). Update this comment so it does not mislead the next contributor into assuming a shared policy.
Reply with @kilocode-bot fix it to have Kilo Code address this issue.
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1 issue found across 2 files (changes from recent commits).
Prompt for AI agents (unresolved issues)
Check if these issues are valid — if so, understand the root cause of each and fix them. If appropriate, use sub-agents to investigate and fix each issue separately.
<file name="packages/opencode/src/plugin/codex.ts">
<violation number="1" location="packages/opencode/src/plugin/codex.ts:39">
P3: The updated docstring contradicts the loader comment, which still says the sibling filter shares this source of truth. Update the loader comment too, or future contributors may modify the wrong allowlist.</violation>
</file>
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| * subscription), or (b) its id is an exact member of | ||
| * ``OAUTH_ALLOWED_MODELS`` (the curated non-codex releases). | ||
| * | ||
| * The sibling file plugin/openai/codex.ts (an in-progress refactor, |
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P3: The updated docstring contradicts the loader comment, which still says the sibling filter shares this source of truth. Update the loader comment too, or future contributors may modify the wrong allowlist.
Prompt for AI agents
Check if this issue is valid — if so, understand the root cause and fix it. At packages/opencode/src/plugin/codex.ts, line 39:
<comment>The updated docstring contradicts the loader comment, which still says the sibling filter shares this source of truth. Update the loader comment too, or future contributors may modify the wrong allowlist.</comment>
<file context>
@@ -30,12 +30,17 @@ export const OAUTH_ALLOWED_MODELS = new Set([
+ * subscription), or (b) its id is an exact member of
+ * ``OAUTH_ALLOWED_MODELS`` (the curated non-codex releases).
+ *
+ * The sibling file plugin/openai/codex.ts (an in-progress refactor,
+ * currently NOT wired) has its own separate filter with a
+ * ``parseFloat(match[1]) > 5.4`` fallback. Adopting this helper is
</file context>
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Summary
Fixes altimate-code#1132 — ChatGPT Pro/Plus (Codex tier) users could not pick
gpt-5.6in the model picker even though OpenAI shipped it and the upstreammodels.devcatalog has it.Repro
gpt-5.1-codexthroughgpt-5.4-minishow;gpt-5.6is absentRoot cause
The OAuth loader in
packages/opencode/src/plugin/codex.ts:412-416filtersprovider.models(which the build regenerates frommodels.devand DOES containgpt-5.6) against a hard-coded allowlist:The allowlist hadn't been bumped since gpt-5.4-mini, so every newer non-
codexmodel —gpt-5.5,gpt-5.6, and their variants — gets deleted before it reaches the picker.Fix
gpt-5.5+gpt-5.6to the allowlist. Matches the existing precedent of allowlisting the plain "main" version per release (gpt-5.2,gpt-5.4).OAUTH_ALLOWED_MODELSconstant so it's unit-testable independently.gpt-5.4-pro,gpt-5.5-pro,gpt-5.6-luna,gpt-5.6-sol,gpt-5.6-terra. These show up onmodels.devbut aren't confirmed available on the ChatGPT-subscription (Codex) tier — showing them in the picker would surface as a request-time 4xx, not a UX improvement. Extend later once OpenAI announces subscription coverage.Also touched:
plugin/openai/codex.tsThere's a sibling file
packages/opencode/src/plugin/openai/codex.tswith its OWN parallelALLOWED_MODELSset — appears to be an in-progress refactor of the same plugin (currently NOT wired viaplugin/index.ts; the./codeximport at plugin/index.ts:14 resolves to the file I fixed above, not the openai/ variant). Updated its allowlist for parity so the bug doesn't resurrect the moment that refactor lands.Regression barrier
New test at
packages/opencode/test/plugin/codex-allowlist.test.tsasserts:gpt-5.5+gpt-5.6present (the issue this PR closes)Test plan
bun test test/plugin/codex-allowlist.test.ts test/plugin/codex.test.ts— 21/21 passbun turbo typecheck— cleanMarker Guard(--strictvsorigin/main) — cleanFollow-ups (not in this PR)
codex.tsfiles. Having two parallel allowlists is a maintenance footgun; the winner needs to be picked and the other deleted.Closes #1132
🤖 Generated with Claude Code
Summary by cubic
Adds
gpt-5.5andgpt-5.6to the ChatGPT-subscription (OAuth) model allowlist so Pro/Plus users can select them. Previouslygpt-5.6was removed by a stale allowlist; now it appears while API-tier-only variants remain excluded.OAUTH_ALLOWED_MODELSandshouldAllowOAuthModelinpackages/opencode/src/plugin/codex.ts; the OAuth loader now delegates to this helper. Auto-allows ids containing "codex"; the set lists only non-codex main/mini releases.packages/opencode/test/plugin/codex-allowlist.test.tscovering membership and filter behavior, including a size floor to catch truncations.packages/opencode/src/plugin/openai/codex.tsunchanged (not the active plugin; it uses its ownparseFloat > 5.4filter). Updates comments to clarify policy ownership and avoid implying a shared helper.gpt-5.5andgpt-5.6in the model picker.Written for commit 4abe6d5. Summary will update on new commits.
Summary by CodeRabbit
New Features
Bug Fixes