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Phase 10 PR 10-3 email tool upgrade with metadata-gateway key fetch + tags + tenant-salted idempotency + recipient policy","body","## Summary\n\nThe in-VM Phantom EmailTool upgrade for Phase 10 (operator-subsidized Resend transactional email). Adds the metadata-gateway key-fetch path, recipient-policy gate, tenant-salted idempotency, three-tag cost-attribution, and a Prometheus counter on top of the existing 109-LOC `phantom_send_email` tool. Architect doc: Phase 10 architect (§3.4 Option B storage decision, §6 EmailTool surface, §6.8 seven `error_kind` values, §7 cost attribution, §9.6 tenant-salted idempotency).\n\n## What changed\n\n- `src/config/secret-names.ts` (new, 67 LOC). Canonical phantom-side mirror of phantomd's `AllowedSecretNames`; exports the wire-stable constant `RESEND_API_KEY_SECRET_NAME = \"resend_api_key\"`.\n- `src/email/key-fetcher.ts` (new, 250 LOC). Gateway-backed `ResendKeyFetcher` with a 15-minute cache, 401 cache invalidation, and structured error kinds; mirrors `src/config/metadata-fetcher.ts`. Plus `EnvKeyFetcher` fallback for local dev / OSS Docker without a gateway.\n- `src/email/recipient-policy.ts` (new, 156 LOC). `owner` / `unrestricted` / `list` modes; safe parsing; `workspace` mode reserved for v1.5+ and explicitly rejected today.\n- `src/email/metrics.ts` (new, 116 LOC). `phantom_email_send_total{outcome, purpose}` prom-client counter, 8 outcomes (the 7 `error_kind` values plus `ok`), private registry per emitter.\n- `src/email/tool.ts` (extended, +337 LOC). Replaces `process.env.RESEND_API_KEY` read with the key-fetcher path; adds three-tag set (`tenant_id`, `agent_id`, `purpose`), tenant-salted sha256 idempotency-key derivation, and the seven-kind error taxonomy. Lazy Resend SDK import preserved. Daily cap and from-address invariants preserved.\n- `src/index.ts` wires the new deps and merges Slack + Email registries via the array form of `setMetricsRegistryProvider`.\n- `src/core/server.ts` `/metrics` route accepts one registry or an array and concatenates the text expositions.\n- `src/channels/slack-channel-factory.ts` docstring cross-reference to the new shared mirror; the slack-only `AllowedSecretNamesMirror` stays for backward compatibility with existing tests.\n- `CLAUDE.md` new Email section documenting the env-var contract (`PHANTOM_OWNER_EMAIL`, `PHANTOM_TENANT_ID`, `PHANTOM_EMAIL_RECIPIENTS_ALLOWED`, `PHANTOM_EMAIL_DAILY_CAP`, `METADATA_BASE_URL`), the seven `error_kind` values, and the cross-repo wire spec.\n- 5 test files (1334 LOC), 90 new test cases.\n\nTotal: 14 files changed, 2204 insertions(+), 108 deletions(-).\n\n## Cross-repo contract\n\nThe wire-stable secret name string `\"resend_api_key\"` MUST be byte-equal across:\n\n- phantomd PR #32 (`internal/secrets/types.go::AllowedSecretNames`).\n- This PR's `src/config/secret-names.ts::RESEND_API_KEY_SECRET_NAME` and `AllowedSecretNamesMirror`.\n- This PR's `src/email/key-fetcher.ts` (consumes the constant).\n- The architect doc §3.5 mirror invariant + §9.1 cross-repo allowlist table + §13.1 PR scope table.\n\nDrift surfaces as HTTP 404 from the metadata gateway (the gateway maps `ErrInvalidName` to 404 to defeat name enumeration), which the EmailTool surfaces as `error_kind = \"key_unavailable\"`. The phantom-side mirror tests (`src/config/__tests__/secret-names.test.ts`) plus phantomd's `TestAllowedSecretNames_KnowsResendKey` pin the symmetric assertions.\n\nThe tenant-salted idempotency input string is `${PHANTOM_TENANT_ID}:${normalizedTo}:${subject}:${utcDate}` (architect §9.6). The salt defends Resend's TEAM-scoped idempotency-key namespace from cross-tenant collision when multiple tenants share the same operator-side Resend key.\n\n## Failure-mode coverage\n\nThe seven `error_kind` taxonomy maps every tool path to exactly one outcome:\n\n- `recipient_denied`: address violated `PHANTOM_EMAIL_RECIPIENTS_ALLOWED`. No Resend POST is made.\n- `rate_limited_local`: per-day soft cap hit. No Resend POST is made.\n- `key_unavailable`: metadata gateway returned 404 / 5xx / network error.\n- `rate_limited_resend`: Resend returned 429.\n- `validation_error`: Resend returned 422 (forwards the upstream message so the agent can suggest a fix).\n- `service_down`: Resend returned 5xx, the SDK threw, or no `id` in the response.\n- `auth_failed`: Resend returned 401 (cached key was revoked) OR the gateway rejected the fetch with 401. The fetcher invalidates its cache so the next attempt refetches a rotated key.\n\nThe local cap counter increments only on confirmed `ok` so policy denials and Resend errors do not consume the agent's daily budget. Test coverage exercises every kind end-to-end including a defensive thrown-sender path and a cross-tenant idempotency collision check.\n\n## Plaintext-leak guards\n\nVerified across the test suite:\n\n- The Resend API key is never echoed via `console.log`, `console.warn`, or any structured log line. The cache holds the value privately on the fetcher instance; logs only carry the secret NAME plus HTTP status.\n- The error envelope returned to the agent never carries the secret value across `key_unavailable`, `auth_failed`, and `service_down` paths. The defensive thrown-sender catch maps to `service_down` with a fixed message rather than echoing the exception (which can carry the API key in HTTP-client error formatting).\n- The `validation_error` path forwards the upstream Resend message verbatim because the agent needs the field detail to suggest a fix; the upstream sender is responsible for not embedding the key in that message (Resend's SDK does not).\n- The cache key is the secret NAME, not the value.\n\nThe `key-fetcher.test.ts` includes an explicit test that captures `console.log` and `console.warn` across the cache-hit path and asserts the secret value never appears.\n\n## Architect doc link\n\n`phantom-cloud-deploy/local/2026-05-01-phase10-resend-architect.md` (Phase 10, dated 2026-05-01). Drives the seven-kind taxonomy (§6.8), the storage decision (§3.4 Option B metadata-gateway fetch), the cache TTL (§3.4 + §6.6 fifteen minutes), the cost-attribution channels (§7), and the tenant-salt idempotency derivation (§9.6).\n\n## Test plan\n\n- [x] `bun test` clean: 2210 pass / 0 fail across 162 files (90 new tests across 5 files).\n- [x] `bun run lint` clean.\n- [x] `bun run typecheck` clean.\n- [x] Verified the wire-stable secret name `\"resend_api_key\"` matches phantomd PR #32's `AllowedSecretNames` entry.\n- [x] Verified plaintext-leak guards across every error path.\n- [x] Verified the tenant-salt cross-tenant collision defense (two tenants sending the same logical email get DIFFERENT idempotency keys; the same tenant on the same day gets the SAME key).\n- [x] Verified the recipient-policy default is owner-only (no open-relay default).\n- [x] Verified the daily cap counter increments only on confirmed `ok`.\n- [ ] `@codex review` after push.\n- [ ] Live-Resend smoke gated on `PHASE10_LIVE_SMOKE=1`; not run in CI (architect §11.3); operator runs at release time.","base","head","base_sha","2e6e4ec5aa33fad83de61e8d62d1391b61b5f6a0","head_sha","8fb459a5ce5258b68360cadd7da54d73fd1f9f42","merge_commit_sha","7fd92913958b6ef64fb2eaef886b48611853fc9c","comments","diff","user",{"_253":299,"_166":299,"_300":-5,"_257":301,"_41":302},"commits",2,"changed_files",14,"additions",2204,"deletions",108,"mcheemaa","email","https://avatars.githubusercontent.com/u/54610255?v=4",54610255,"events",[305,306,307,308,309,310,311,312,313,314,315,316,317],{"_148":404,"_319":405},{"_148":332,"_319":398},{"_148":332,"_319":390},{"_148":328,"_319":385},{"_148":380,"_319":381},{"_148":332,"_319":375},{"_148":346,"_319":366},{"_148":346,"_319":361},{"_148":332,"_319":351},{"_148":346,"_319":347},{"_148":332,"_319":333},{"_148":328,"_319":329},{"_148":318,"_319":320},"turn/completed","params",{"_321":322,"_85":323},"threadId","019de338-44a9-7aa0-b69a-2557e6bec8cc",{"_101":-5,"_41":324,"_325":326,"_327":111},"019de338-4511-72d1-ad9f-b9f2ce93a6ea","items",[],"status","thread/status/changed",{"_327":330,"_321":322},{"_90":331},"idle","rawResponseItem/completed",{"_334":335,"_321":322,"_336":324},"item",{"_337":338,"_339":-5,"_41":-5,"_340":341,"_94":91,"_90":342},"turnId","content",[343],"end_turn","phase","final_answer","message",{"_45":344,"_90":345},"### Summary\nI can’t perform the requested `@codex review` for this PR because the latest PR comment indicates the Codex code-review quota is currently exhausted for this account.\n\nGiven that limitation, I did **not** make any repository changes, did **not** create a commit, and did **not** open a follow-up PR.\n\n### What to do next\n- Re-enable code reviews by upgrading / adding credits in the Codex usage settings linked in the PR comment.\n- Then re-trigger with `@codex review` and I can perform a full review pass on this PR.","output_text","item/completed",{"_334":348,"_321":322,"_336":324},{"_41":349,"_340":341,"_45":344,"_90":350},"msg_0a8d53a8fca2f2fe0169f4894efc148196827e06227d546b31","agentMessage",{"_334":352,"_321":322,"_336":324},{"_337":-5,"_353":354,"_41":-5,"_355":356,"_90":357},"encrypted_content","gAAAAABp9IlOC_bVtIhjJAX-gEdWsPE_f6Y-zxxgA2cRq4jMSY0qC3EAl0RewJtfijeyi_sNcMUCEKb0Oj_31fme5bLyKU1VheUaErf-XPMS458iZCVYgzzMWTUa-4f-Y9TGhOls_d0yoOXplmPD4M_GbuUrOqnqsSFyFKMuhvsRqmvx1aUB7rOe8M-a2L1K0m8DA0DLrI_MOTXTuwJ-yVIL5Ll-RdDu1PmrJeFjfXBt78biQFNweghh_0yZM7ax0CRG6hDUxe9Mh3APTSrvpMm4xAz3unJmroXFcyyagnTv2u5COkIrarV_VeDCfR_aURDUALQzVaTlRyENeIJAvpfHdvyLymTrWeLVKYGsmrQAltAwY4RO520CzHlkuTCf6zf-bjrYvvoRfTCisejQrV5_HIUGVDgQAhrOMjbs4IHcq6Vvga_Cpa2mZDdVmEgKWEaMkyffasWRB6TwVxoloOFKHulIUnOtlCqaKyb4ySZal4EzvDG8OuJM1ncmAaKqP9pHA_mbFl1_9NQI2HSZN4iWf_1RJmcOCy-rKTlKzsOuXvCISsWUJTVTGEyURBa--5PutVltwl-vZAxNSK14sLbkiCEbM4FYYiSjQ9H06fm2ExPLPQNkFHNw-D-uY7zB7NqbwTD9wKtiTdHUS4pZwdo1YiEUVI6KvBaw6mTfZLxlCUqo5VtJo_gSAxgXrll3x_f9EcHnHgqJfQRO8pUvGnpqO2krXjbpEE4xko3iPFjM6MnyZtrBDTDOsSGLSSaECwa9xRp4PopcYxd-3Av45jGrNczOk_N2ZxJqAHo9CKqbN-Ga_aMUAakSCmg1fdnnnnh_ELKsF782T5SbpjZY01eFSGIaG8r0aVilFlVFDCKIrnyBK_1BXilT5bX4zK_9GsbwsWShSOdpckFIDur0LZXKqPI6f78LCKKyDRVeXfo_-gRiDNIf-_W1f2yTPdqAyL-YtJaqJwvA9dZEPYUZHvwtAoFpNHW0YUzrtoP_HIKliMd7Rran6a3qEIWph0Y-u86AnCXJeCRUD800UpzGGzQCsJdxxroIzR5r8f8-zGY_oyuyqvJYyvHzXxJIkIfcLyfcinFFTQr4qRafKcfLJglofwzXFU1AjPI36LAdYtGeFE6A-V6QQ4gyiJt4B1SNL86-Pb_MgCzhclXFRUf_7IZUTwGfDEACoYp1TpG9_gry7QbZrK_FbAZ3iIDNOsGar2fjEmvhsnpSmzW4MTC46lNdpBu-HVH0vm7Gclijb8i5UadRSp8nv0wJ0vYt4mHpmsvADLR0bHuE9flVB3VZEDFZhek6lBKxo10a-aX2NsZmLjH63Kly06etIqdq3gH7nLS9IVo3hkW1","summary",[358],"reasoning",{"_45":359,"_90":360},"**Reviewing trigger usage**\n\nI need to think through the act-based trigger review, but there's a usage limit I've noted. It seems like no code changes are required, so we might have to respond that we can't proceed due to this limit. The developer mentioned committing changes and calling make_pr if there are changes, but if there aren't any, we shouldn't use that. I might need to inspect AGENTS or instructions too, but for now, I’ll just provide a concise status update.","summary_text",{"_334":362,"_321":322,"_336":324},{"_337":363,"_41":364,"_355":365,"_90":357},[],"rs_0a8d53a8fca2f2fe0169f4894b9b788196864fe38d5c208701",[359],{"_334":367,"_321":322,"_336":324},{"_337":368,"_41":369,"_90":370},[371],"91adf78b-c51c-4198-8020-11f3269ce24c","userMessage",{"_45":372,"_373":374,"_90":45},"\nYou are Codex, assisting with follow-up actions on a GitHub pull request.\n\nInput blocks\n------------\n… # The comment or event that invoked you\n… # PR metadata (title, branches, SHAs, status, etc.)\n… # Comments / Reviews for the PR\n\nPossible triggers\n• A user mentions you (@codex)\n• A reviewer requests changes\n• An automated or internal system asks you to review / update\n\nGuidelines\n1. Read the block first and treat it as the primary intent.\n2. Always consult and to interpret and validate the trigger; use only context that materially affects your decision and ignore the rest.\n3. If the trigger comes from a comment thread, the first block will be combined earlier comments from the same thread, clearly indicated with `Comments in the same thread`.\n4. Remaining blocks are in chronological order, oldest first, one block per comment.\n5. When the trigger relates to CI/build status (e.g., “help me fix CI”), incorporate CI/status details found in as supporting context.\n6. If code change is needed, generate a **new** PR with the requested changes. The PR title and message should summarize the changes **on top** of the original pull request.\n## Summary\n\nThe in-VM Phantom EmailTool upgrade for Phase 10 (operator-subsidized Resend transactional email). Adds the metadata-gateway key-fetch path, recipient-policy gate, tenant-salted idempotency, three-tag cost-attribution, and a Prometheus counter on top of the existing 109-LOC `phantom_send_email` tool. Architect doc: Phase 10 architect (§3.4 Option B storage decision, §6 EmailTool surface, §6.8 seven `error_kind` values, §7 cost attribution, §9.6 tenant-salted idempotency).\n\n## What changed\n\n- `src/config/secret-names.ts` (new, 67 LOC). Canonical phantom-side mirror of phantomd's `AllowedSecretNames`; exports the wire-stable constant `RESEND_API_KEY_SECRET_NAME = \"resend_api_key\"`.\n- `src/email/key-fetcher.ts` (new, 250 LOC). Gateway-backed `ResendKeyFetcher` with a 15-minute cache, 401 cache invalidation, and structured error kinds; mirrors `src/config/metadata-fetcher.ts`. Plus `EnvKeyFetcher` fallback for local dev / OSS Docker without a gateway.\n- `src/email/recipient-policy.ts` (new, 156 LOC). `owner` / `unrestricted` / `list` modes; safe parsing; `workspace` mode reserved for v1.5+ and explicitly rejected today.\n- `src/email/metrics.ts` (new, 116 LOC). `phantom_email_send_total{outcome, purpose}` prom-client counter, 8 outcomes (the 7 `error_kind` values plus `ok`), private registry per emitter.\n- `src/email/tool.ts` (extended, +337 LOC). Replaces `process.env.RESEND_API_KEY` read with the key-fetcher path; adds three-tag set (`tenant_id`, `agent_id`, `purpose`), tenant-salted sha256 idempotency-key derivation, and the seven-kind error taxonomy. Lazy Resend SDK import preserved. Daily cap and from-address invariants preserved.\n- `src/index.ts` wires the new deps and merges Slack + Email registries via the array form of `setMetricsRegistryProvider`.\n- `src/core/server.ts` `/metrics` route accepts one registry or an array and concatenates the text expositions.\n- `src/channels/slack-channel-factory.ts` docstring cross-reference to the new shared mirror; the slack-only `AllowedSecretNamesMirror` stays for backward compatibility with existing tests.\n- `CLAUDE.md` new Email section documenting the env-var contract (`PHANTOM_OWNER_EMAIL`, `PHANTOM_TENANT_ID`, `PHANTOM_EMAIL_RECIPIENTS_ALLOWED`, `PHANTOM_EMAIL_DAILY_CAP`, `METADATA_BASE_URL`), the seven `error_kind` values, and the cross-repo wire spec.\n- 5 test files (1334 LOC), 90 new test cases.\n\nTotal: 14 files changed, 2204 insertions(+), 108 deletions(-).\n\n## Cross-repo contract\n\nThe wire-stable secret name string `\"resend_api_key\"` MUST be byte-equal across:\n\n- phantomd PR #32 (`internal/secrets/types.go::AllowedSecretNames`).\n- This PR's `src/config/secret-names.ts::RESEND_API_KEY_SECRET_NAME` and `AllowedSecretNamesMirror`.\n- This PR's `src/email/key-fetcher.ts` (consumes the constant).\n- The architect doc §3.5 mirror invariant + §9.1 cross-repo allowlist table + §13.1 PR scope table.\n\nDrift surfaces as HTTP 404 from the metadata gateway (the gateway maps `ErrInvalidName` to 404 to defeat name enumeration), which the EmailTool surfaces as `error_kind = \"key_unavailable\"`. The phantom-side mirror tests (`src/config/__tests__/secret-names.test.ts`) plus phantomd's `TestAllowedSecretNames_KnowsResendKey` pin the symmetric assertions.\n\nThe tenant-salted idempotency input string is `${PHANTOM_TENANT_ID}:${normalizedTo}:${subject}:${utcDate}` (architect §9.6). The salt defends Resend's TEAM-scoped idempotency-key namespace from cross-tenant collision when multiple tenants share the same operator-side Resend key.\n\n## Failure-mode coverage\n\nThe seven `error_kind` taxonomy maps every tool path to exactly one outcome:\n\n- `recipient_denied`: address violated `PHANTOM_EMAIL_RECIPIENTS_ALLOWED`. No Resend POST is made.\n- `rate_limited_local`: per-day soft cap hit. No Resend POST is made.\n- `key_unavailable`: metadata gateway returned 404 / 5xx / network error.\n- `rate_limited_resend`: Resend returned 429.\n- `validation_error`: Resend returned 422 (forwards the upstream message so the agent can suggest a fix).\n- `service_down`: Resend returned 5xx, the SDK threw, or no `id` in the response.\n- `auth_failed`: Resend returned 401 (cached key was revoked) OR the gateway rejected the fetch with 401. The fetcher invalidates its cache so the next attempt refetches a rotated key.\n\nThe local cap counter increments only on confirmed `ok` so policy denials and Resend errors do not consume the agent's daily budget. Test coverage exercises every kind end-to-end including a defensive thrown-sender path and a cross-tenant idempotency collision check.\n\n## Plaintext-leak guards\n\nVerified across the test suite:\n\n- The Resend API key is never echoed via `console.log`, `console.warn`, or any structured log line. The cache holds the value privately on the fetcher instance; logs only carry the secret NAME plus HTTP status.\n- The error envelope returned to the agent never carries the secret value across `key_unavailable`, `auth_failed`, and `service_down` paths. The defensive thrown-sender catch maps to `service_down` with a fixed message rather than echoing the exception (which can carry the API key in HTTP-client error formatting).\n- The `validation_error` path forwards the upstream Resend message verbatim because the agent needs the field detail to suggest a fix; the upstream sender is responsible for not embedding the key in that message (Resend's SDK does not).\n- The cache key is the secret NAME, not the value.\n\nThe `key-fetcher.test.ts` includes an explicit test that captures `console.log` and `console.warn` across the cache-hit path and asserts the secret value never appears.\n\n## Architect doc link\n\n`phantom-cloud-deploy/local/2026-05-01-phase10-resend-architect.md` (Phase 10, dated 2026-05-01). Drives the seven-kind taxonomy (§6.8), the storage decision (§3.4 Option B metadata-gateway fetch), the cache TTL (§3.4 + §6.6 fifteen minutes), the cost-attribution channels (§7), and the tenant-salt idempotency derivation (§9.6).\n\n## Test plan\n\n- [x] `bun test` clean: 2210 pass / 0 fail across 162 files (90 new tests across 5 files).\n- [x] `bun run lint` clean.\n- [x] `bun run typecheck` clean.\n- [x] Verified the wire-stable secret name `\"resend_api_key\"` matches phantomd PR #32's `AllowedSecretNames` entry.\n- [x] Verified plaintext-leak guards across every error path.\n- [x] Verified the tenant-salt cross-tenant collision defense (two tenants sending the same logical email get DIFFERENT idempotency keys; the same tenant on the same day gets the SAME key).\n- [x] Verified the recipient-policy default is owner-only (no open-relay default).\n- [x] Verified the daily cap counter increments only on confirmed `ok`.\n- [ ] `@codex review` after push.\n- [ ] Live-Resend smoke gated on `PHASE10_LIVE_SMOKE=1`; not run in CI (architect §11.3); operator runs at release time.{\"title\":\"phantom: Phase 10 PR 10-3 email tool upgrade with metadata-gateway key fetch + tags + tenant-salted idempotency + recipient policy\",\"body\":\"## Summary\\n\\nThe in-VM Phantom EmailTool upgrade for Phase 10 (operator-subsidized Resend transactional email). Adds the metadata-gateway key-fetch path, recipient-policy gate, tenant-salted idempotency, three-tag cost-attribution, and a Prometheus counter on top of the existing 109-LOC `phantom_send_email` tool. Architect doc: Phase 10 architect (§3.4 Option B storage decision, §6 EmailTool surface, §6.8 seven `error_kind` values, §7 cost attribution, §9.6 tenant-salted idempotency).\\n\\n## What changed\\n\\n- `src/config/secret-names.ts` (new, 67 LOC). Canonical phantom-side mirror of phantomd's `AllowedSecretNames`; exports the wire-stable constant `RESEND_API_KEY_SECRET_NAME = \\\"resend_api_key\\\"`.\\n- `src/email/key-fetcher.ts` (new, 250 LOC). Gateway-backed `ResendKeyFetcher` with a 15-minute cache, 401 cache invalidation, and structured error kinds; mirrors `src/config/metadata-fetcher.ts`. Plus `EnvKeyFetcher` fallback for local dev / OSS Docker without a gateway.\\n- `src/email/recipient-policy.ts` (new, 156 LOC). `owner` / `unrestricted` / `list` modes; safe parsing; `workspace` mode reserved for v1.5+ and explicitly rejected today.\\n- `src/email/metrics.ts` (new, 116 LOC). `phantom_email_send_total{outcome, purpose}` prom-client counter, 8 outcomes (the 7 `error_kind` values plus `ok`), private registry per emitter.\\n- `src/email/tool.ts` (extended, +337 LOC). Replaces `process.env.RESEND_API_KEY` read with the key-fetcher path; adds three-tag set (`tenant_id`, `agent_id`, `purpose`), tenant-salted sha256 idempotency-key derivation, and the seven-kind error taxonomy. Lazy Resend SDK import preserved. Daily cap and from-address invariants preserved.\\n- `src/index.ts` wires the new deps and merges Slack + Email registries via the array form of `setMetricsRegistryProvider`.\\n- `src/core/server.ts` `/metrics` route accepts one registry or an array and concatenates the text expositions.\\n- `src/channels/slack-channel-factory.ts` docstring cross-reference to the new shared mirror; the slack-only `AllowedSecretNamesMirror` stays for backward compatibility with existing tests.\\n- `CLAUDE.md` new Email section documenting the env-var contract (`PHANTOM_OWNER_EMAIL`, `PHANTOM_TENANT_ID`, `PHANTOM_EMAIL_RECIPIENTS_ALLOWED`, `PHANTOM_EMAIL_DAILY_CAP`, `METADATA_BASE_URL`), the seven `error_kind` values, and the cross-repo wire spec.\\n- 5 test files (1334 LOC), 90 new test cases.\\n\\nTotal: 14 files changed, 2204 insertions(+), 108 deletions(-).\\n\\n## Cross-repo contract\\n\\nThe wire-stable secret name string `\\\"resend_api_key\\\"` MUST be byte-equal across:\\n\\n- phantomd PR #32 (`internal/secrets/types.go::AllowedSecretNames`).\\n- This PR's `src/config/secret-names.ts::RESEND_API_KEY_SECRET_NAME` and `AllowedSecretNamesMirror`.\\n- This PR's `src/email/key-fetcher.ts` (consumes the constant).\\n- The architect doc §3.5 mirror invariant + §9.1 cross-repo allowlist table + §13.1 PR scope table.\\n\\nDrift surfaces as HTTP 404 from the metadata gateway (the gateway maps `ErrInvalidName` to 404 to defeat name enumeration), which the EmailTool surfaces as `error_kind = \\\"key_unavailable\\\"`. The phantom-side mirror tests (`src/config/__tests__/secret-names.test.ts`) plus phantomd's `TestAllowedSecretNames_KnowsResendKey` pin the symmetric assertions.\\n\\nThe tenant-salted idempotency input string is `${PHANTOM_TENANT_ID}:${normalizedTo}:${subject}:${utcDate}` (architect §9.6). The salt defends Resend's TEAM-scoped idempotency-key namespace from cross-tenant collision when multiple tenants share the same operator-side Resend key.\\n\\n## Failure-mode coverage\\n\\nThe seven `error_kind` taxonomy maps every tool path to exactly one outcome:\\n\\n- `recipient_denied`: address violated `PHANTOM_EMAIL_RECIPIENTS_ALLOWED`. No Resend POST is made.\\n- `rate_limited_local`: per-day soft cap hit. No Resend POST is made.\\n- `key_unavailable`: metadata gateway returned 404 / 5xx / network error.\\n- `rate_limited_resend`: Resend returned 429.\\n- `validation_error`: Resend returned 422 (forwards the upstream message so the agent can suggest a fix).\\n- `service_down`: Resend returned 5xx, the SDK threw, or no `id` in the response.\\n- `auth_failed`: Resend returned 401 (cached key was revoked) OR the gateway rejected the fetch with 401. The fetcher invalidates its cache so the next attempt refetches a rotated key.\\n\\nThe local cap counter increments only on confirmed `ok` so policy denials and Resend errors do not consume the agent's daily budget. Test coverage exercises every kind end-to-end including a defensive thrown-sender path and a cross-tenant idempotency collision check.\\n\\n## Plaintext-leak guards\\n\\nVerified across the test suite:\\n\\n- The Resend API key is never echoed via `console.log`, `console.warn`, or any structured log line. The cache holds the value privately on the fetcher instance; logs only carry the secret NAME plus HTTP status.\\n- The error envelope returned to the agent never carries the secret value across `key_unavailable`, `auth_failed`, and `service_down` paths. The defensive thrown-sender catch maps to `service_down` with a fixed message rather than echoing the exception (which can carry the API key in HTTP-client error formatting).\\n- The `validation_error` path forwards the upstream Resend message verbatim because the agent needs the field detail to suggest a fix; the upstream sender is responsible for not embedding the key in that message (Resend's SDK does not).\\n- The cache key is the secret NAME, not the value.\\n\\nThe `key-fetcher.test.ts` includes an explicit test that captures `console.log` and `console.warn` across the cache-hit path and asserts the secret value never appears.\\n\\n## Architect doc link\\n\\n`phantom-cloud-deploy/local/2026-05-01-phase10-resend-architect.md` (Phase 10, dated 2026-05-01). Drives the seven-kind taxonomy (§6.8), the storage decision (§3.4 Option B metadata-gateway fetch), the cache TTL (§3.4 + §6.6 fifteen minutes), the cost-attribution channels (§7), and the tenant-salt idempotency derivation (§9.6).\\n\\n## Test plan\\n\\n- [x] `bun test` clean: 2210 pass / 0 fail across 162 files (90 new tests across 5 files).\\n- [x] `bun run lint` clean.\\n- [x] `bun run typecheck` clean.\\n- [x] Verified the wire-stable secret name `\\\"resend_api_key\\\"` matches phantomd PR #32's `AllowedSecretNames` entry.\\n- [x] Verified plaintext-leak guards across every error path.\\n- [x] Verified the tenant-salt cross-tenant collision defense (two tenants sending the same logical email get DIFFERENT idempotency keys; the same tenant on the same day gets the SAME key).\\n- [x] Verified the recipient-policy default is owner-only (no open-relay default).\\n- [x] Verified the daily cap counter increments only on confirmed `ok`.\\n- [ ] `@codex review` after push.\\n- [ ] Live-Resend smoke gated on `PHASE10_LIVE_SMOKE=1`; not run in CI (architect §11.3); operator runs at release time.\",\"base_ref\":\"b7ad5c7630fc0c191b62a5de1351888f9953171b\",\"head_ref\":\"65f92aa8d688d7d66b02ffb55f58cdde426d708d\",\"merge_commit_sha\":null,\"type\":\"pull_request_info\"}{\"type\":\"pull_request_comment\",\"body\":\"@codex review\",\"path\":null,\"side\":null,\"line\":null}{\"type\":\"pull_request_comment\",\"body\":\"You have reached your Codex usage limits for code reviews. You can see your limits in the [Codex usage dashboard](https://chatgpt.com/codex/cloud/settings/usage).\\nTo continue using code reviews, you can upgrade your account or add credits to your account and enable them for code reviews in your [settings](https://chatgpt.com/codex/cloud/settings/code-review).\",\"path\":null,\"side\":null,\"line\":null}","text_elements",[],{"_334":376,"_321":322,"_336":324},{"_337":377,"_339":-5,"_41":-5,"_340":-5,"_94":289,"_90":342},[378],{"_45":372,"_90":379},"input_text","turn/started",{"_321":322,"_85":382},{"_101":-5,"_41":324,"_325":383,"_327":384},[],"inProgress",{"_327":386,"_321":322},{"_387":388,"_90":389},"activeFlags",[],"active",{"_334":391,"_321":322,"_336":392},{"_337":393,"_339":-5,"_41":-5,"_340":-5,"_94":289,"_90":342},"auto-compact-0",[394,395],{"_45":397,"_90":379},{"_45":396,"_90":379},"\n /workspace/phantom\n bash\n 2026-05-01\n Etc/UTC\n","# AGENTS.md instructions for /workspace/phantom\n\n\n## Skills\nA skill is a set of local instructions to follow that is stored in a `SKILL.md` file. Below is the list of skills that can be used. Each entry includes a name, description, and file path so you can open the source for full instructions when using a specific skill.\n### Available skills\n- skill-creator: Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Codex's capabilities with specialized knowledge, workflows, or tool integrations. (file: /opt/codex/skills/.system/skill-creator/SKILL.md)\n- skill-installer: Install Codex skills into $CODEX_HOME/skills from a curated list or a GitHub repo path. Use when a user asks to list installable skills, install a curated skill, or install a skill from another repo (including private repos). (file: /opt/codex/skills/.system/skill-installer/SKILL.md)\n### How to use skills\n- Discovery: The list above is the skills available in this session (name + description + file path). Skill bodies live on disk at the listed paths.\n- Trigger rules: If the user names a skill (with `$SkillName` or plain text) OR the task clearly matches a skill's description shown above, you must use that skill for that turn. Multiple mentions mean use them all. Do not carry skills across turns unless re-mentioned.\n- Missing/blocked: If a named skill isn't in the list or the path can't be read, say so briefly and continue with the best fallback.\n- How to use a skill (progressive disclosure):\n 1) After deciding to use a skill, open its `SKILL.md`. Read only enough to follow the workflow.\n 2) When `SKILL.md` references relative paths (e.g., `scripts/foo.py`), resolve them relative to the skill directory listed above first, and only consider other paths if needed.\n 3) If `SKILL.md` points to extra folders such as `references/`, load only the specific files needed for the request; don't bulk-load everything.\n 4) If `scripts/` exist, prefer running or patching them instead of retyping large code blocks.\n 5) If `assets/` or templates exist, reuse them instead of recreating from scratch.\n- Coordination and sequencing:\n - If multiple skills apply, choose the minimal set that covers the request and state the order you'll use them.\n - Announce which skill(s) you're using and why (one short line). If you skip an obvious skill, say why.\n- Context hygiene:\n - Keep context small: summarize long sections instead of pasting them; only load extra files when needed.\n - Avoid deep reference-chasing: prefer opening only files directly linked from `SKILL.md` unless you're blocked.\n - When variants exist (frameworks, providers, domains), pick only the relevant reference file(s) and note that choice.\n- Safety and fallback: If a skill can't be applied cleanly (missing files, unclear instructions), state the issue, pick the next-best approach, and continue.\n",{"_334":399,"_321":322,"_336":392},{"_337":400,"_339":-5,"_41":-5,"_340":-5,"_94":401,"_90":342},[402],"developer",{"_45":403,"_90":379},"\nFilesystem sandboxing defines which files can be read or written. `sandbox_mode` is `danger-full-access`: No filesystem sandboxing - all commands are permitted. Network access is enabled.\nApproval policy is currently never. Do not provide the `sandbox_permissions` for any reason, commands will be rejected.\n","thread/started",{"_406":407},"thread",{"_408":-5,"_409":-5,"_410":411,"_412":413,"_414":415,"_416":15,"_417":-5,"_418":-5,"_41":322,"_419":420,"_166":-5,"_155":421,"_422":184,"_423":424,"_327":425,"_75":426,"_427":413},"agentNickname","agentRole","cliVersion","0.114.0","createdAt",1777633608,"cwd","/workspace/phantom","ephemeral","forkedFromId","gitInfo","modelProvider","openai","/opt/codex/sessions/2026/05/01/rollout-2026-05-01T11-06-48-019de338-44a9-7aa0-b69a-2557e6bec8cc.jsonl","preview","source","vscode",{"_90":331},[],"updatedAt",[],"messages",[431],{"_41":432,"_433":434,"_435":436,"_437":436,"_337":438,"_327":439,"_339":-5,"_440":31,"_441":442,"_443":444,"_445":-5},"1a6c0647-b8da-4b7e-bc06-9b3aa9fbaabf","author",{"_94":289,"_166":-5,"_441":454},"create_time",1777633608.524791,"update_time",{"_450":45,"_451":452},"finished_successfully","weight","metadata",{"_446":447},"recipient","all","channel","l1239dk1",{"_448":449},"inline_comments",[],"content_type","parts",[453],"## Summary\n\nThe in-VM Phantom EmailTool upgrade for Phase 10 (operator-subsidized Resend transactional email). Adds the metadata-gateway key-fetch path, recipient-policy gate, tenant-salted idempotency, three-tag cost-attribution, and a Prometheus counter on top of the existing 109-LOC `phantom_send_email` tool. Architect doc: Phase 10 architect (§3.4 Option B storage decision, §6 EmailTool surface, §6.8 seven `error_kind` values, §7 cost attribution, §9.6 tenant-salted idempotency).\n\n## What changed\n\n- `src/config/secret-names.ts` (new, 67 LOC). Canonical phantom-side mirror of phantomd's `AllowedSecretNames`; exports the wire-stable constant `RESEND_API_KEY_SECRET_NAME = \"resend_api_key\"`.\n- `src/email/key-fetcher.ts` (new, 250 LOC). Gateway-backed `ResendKeyFetcher` with a 15-minute cache, 401 cache invalidation, and structured error kinds; mirrors `src/config/metadata-fetcher.ts`. Plus `EnvKeyFetcher` fallback for local dev / OSS Docker without a gateway.\n- `src/email/recipient-policy.ts` (new, 156 LOC). `owner` / `unrestricted` / `list` modes; safe parsing; `workspace` mode reserved for v1.5+ and explicitly rejected today.\n- `src/email/metrics.ts` (new, 116 LOC). `phantom_email_send_total{outcome, purpose}` prom-client counter, 8 outcomes (the 7 `error_kind` values plus `ok`), private registry per emitter.\n- `src/email/tool.ts` (extended, +337 LOC). Replaces `process.env.RESEND_API_KEY` read with the key-fetcher path; adds three-tag set (`tenant_id`, `agent_id`, `purpose`), tenant-salted sha256 idempotency-key derivation, and the seven-kind error taxonomy. Lazy Resend SDK import preserved. Daily cap and from-address invariants preserved.\n- `src/index.ts` wires the new deps and merges Slack + Email registries via the array form of `setMetricsRegistryProvider`.\n- `src/core/server.ts` `/metrics` route accepts one registry or an array and concatenates the text expositions.\n- `src/channels/slack-channel-factory.ts` docstring cross-reference to the new shared mirror; the slack-only `AllowedSecretNamesMirror` stays for backward compatibility with existing tests.\n- `CLAUDE.md` new Email section documenting the env-var contract (`PHANTOM_OWNER_EMAIL`, `PHANTOM_TENANT_ID`, `PHANTOM_EMAIL_RECIPIENTS_ALLOWED`, `PHANTOM_EMAIL_DAILY_CAP`, `METADATA_BASE_URL`), the seven `error_kind` values, and the cross-repo wire spec.\n- 5 test files (1334 LOC), 90 new test cases.\n\nTotal: 14 files changed, 2204 insertions(+), 108 deletions(-).\n\n## Cross-repo contract\n\nThe wire-stable secret name string `\"resend_api_key\"` MUST be byte-equal across:\n\n- phantomd PR #32 (`internal/secrets/types.go::AllowedSecretNames`).\n- This PR's `src/config/secret-names.ts::RESEND_API_KEY_SECRET_NAME` and `AllowedSecretNamesMirror`.\n- This PR's `src/email/key-fetcher.ts` (consumes the constant).\n- The architect doc §3.5 mirror invariant + §9.1 cross-repo allowlist table + §13.1 PR scope table.\n\nDrift surfaces as HTTP 404 from the metadata gateway (the gateway maps `ErrInvalidName` to 404 to defeat name enumeration), which the EmailTool surfaces as `error_kind = \"key_unavailable\"`. The phantom-side mirror tests (`src/config/__tests__/secret-names.test.ts`) plus phantomd's `TestAllowedSecretNames_KnowsResendKey` pin the symmetric assertions.\n\nThe tenant-salted idempotency input string is `${PHANTOM_TENANT_ID}:${normalizedTo}:${subject}:${utcDate}` (architect §9.6). The salt defends Resend's TEAM-scoped idempotency-key namespace from cross-tenant collision when multiple tenants share the same operator-side Resend key.\n\n## Failure-mode coverage\n\nThe seven `error_kind` taxonomy maps every tool path to exactly one outcome:\n\n- `recipient_denied`: address violated `PHANTOM_EMAIL_RECIPIENTS_ALLOWED`. No Resend POST is made.\n- `rate_limited_local`: per-day soft cap hit. No Resend POST is made.\n- `key_unavailable`: metadata gateway returned 404 / 5xx / network error.\n- `rate_limited_resend`: Resend returned 429.\n- `validation_error`: Resend returned 422 (forwards the upstream message so the agent can suggest a fix).\n- `service_down`: Resend returned 5xx, the SDK threw, or no `id` in the response.\n- `auth_failed`: Resend returned 401 (cached key was revoked) OR the gateway rejected the fetch with 401. The fetcher invalidates its cache so the next attempt refetches a rotated key.\n\nThe local cap counter increments only on confirmed `ok` so policy denials and Resend errors do not consume the agent's daily budget. Test coverage exercises every kind end-to-end including a defensive thrown-sender path and a cross-tenant idempotency collision check.\n\n## Plaintext-leak guards\n\nVerified across the test suite:\n\n- The Resend API key is never echoed via `console.log`, `console.warn`, or any structured log line. The cache holds the value privately on the fetcher instance; logs only carry the secret NAME plus HTTP status.\n- The error envelope returned to the agent never carries the secret value across `key_unavailable`, `auth_failed`, and `service_down` paths. The defensive thrown-sender catch maps to `service_down` with a fixed message rather than echoing the exception (which can carry the API key in HTTP-client error formatting).\n- The `validation_error` path forwards the upstream Resend message verbatim because the agent needs the field detail to suggest a fix; the upstream sender is responsible for not embedding the key in that message (Resend's SDK does not).\n- The cache key is the secret NAME, not the value.\n\nThe `key-fetcher.test.ts` includes an explicit test that captures `console.log` and `console.warn` across the cache-hit path and asserts the secret value never appears.\n\n## Architect doc link\n\n`phantom-cloud-deploy/local/2026-05-01-phase10-resend-architect.md` (Phase 10, dated 2026-05-01). Drives the seven-kind taxonomy (§6.8), the storage decision (§3.4 Option B metadata-gateway fetch), the cache TTL (§3.4 + §6.6 fifteen minutes), the cost-attribution channels (§7), and the tenant-salt idempotency derivation (§9.6).\n\n## Test plan\n\n- [x] `bun test` clean: 2210 pass / 0 fail across 162 files (90 new tests across 5 files).\n- [x] `bun run lint` clean.\n- [x] `bun run typecheck` clean.\n- [x] Verified the wire-stable secret name `\"resend_api_key\"` matches phantomd PR #32's `AllowedSecretNames` entry.\n- [x] Verified plaintext-leak guards across every error path.\n- [x] Verified the tenant-salt cross-tenant collision defense (two tenants sending the same logical email get DIFFERENT idempotency keys; the same tenant on the same day gets the SAME key).\n- [x] Verified the recipient-policy default is owner-only (no open-relay default).\n- [x] Verified the daily cap counter increments only on confirmed `ok`.\n- [ ] `@codex review` after push.\n- [ ] Live-Resend smoke gated on `PHASE10_LIVE_SMOKE=1`; not run in CI (architect §11.3); operator runs at release time.\nphantom: Phase 10 PR 10-3 email tool upgrade with metadata-gateway key fetch + tags + tenant-salted idempotency + recipient policy\n\n## Summary\n\nThe in-VM Phantom EmailTool upgrade for Phase 10 (operator-subsidized Resend transactional email). Adds the metadata-gateway key-fetch path, recipient-policy gate, tenant-salted idempotency, three-tag cost-attribution, and a Prometheus counter on top of the existing 109-LOC `phantom_send_email` tool. Architect doc: Phase 10 architect (§3.4 Option B storage decision, §6 EmailTool surface, §6.8 seven `error_kind` values, §7 cost attribution, §9.6 tenant-salted idempotency).\n\n## What changed\n\n- `src/config/secret-names.ts` (new, 67 LOC). Canonical phantom-side mirror of phantomd's `AllowedSecretNames`; exports the wire-stable constant `RESEND_API_KEY_SECRET_NAME = \"resend_api_key\"`.\n- `src/email/key-fetcher.ts` (new, 250 LOC). Gateway-backed `ResendKeyFetcher` with a 15-minute cache, 401 cache invalidation, and structured error kinds; mirrors `src/config/metadata-fetcher.ts`. Plus `EnvKeyFetcher` fallback for local dev / OSS Docker without a gateway.\n- `src/email/recipient-policy.ts` (new, 156 LOC). `owner` / `unrestricted` / `list` modes; safe parsing; `workspace` mode reserved for v1.5+ and explicitly rejected today.\n- `src/email/metrics.ts` (new, 116 LOC). `phantom_email_send_total{outcome, purpose}` prom-client counter, 8 outcomes (the 7 `error_kind` values plus `ok`), private registry per emitter.\n- `src/email/tool.ts` (extended, +337 LOC). Replaces `process.env.RESEND_API_KEY` read with the key-fetcher path; adds three-tag set (`tenant_id`, `agent_id`, `purpose`), tenant-salted sha256 idempotency-key derivation, and the seven-kind error taxonomy. Lazy Resend SDK import preserved. Daily cap and from-address invariants preserved.\n- `src/index.ts` wires the new deps and merges Slack + Email registries via the array form of `setMetricsRegistryProvider`.\n- `src/core/server.ts` `/metrics` route accepts one registry or an array and concatenates the text expositions.\n- `src/channels/slack-channel-factory.ts` docstring cross-reference to the new shared mirror; the slack-only `AllowedSecretNamesMirror` stays for backward compatibility with existing tests.\n- `CLAUDE.md` new Email section documenting the env-var contract (`PHANTOM_OWNER_EMAIL`, `PHANTOM_TENANT_ID`, `PHANTOM_EMAIL_RECIPIENTS_ALLOWED`, `PHANTOM_EMAIL_DAILY_CAP`, `METADATA_BASE_URL`), the seven `error_kind` values, and the cross-repo wire spec.\n- 5 test files (1334 LOC), 90 new test cases.\n\nTotal: 14 files changed, 2204 insertions(+), 108 deletions(-).\n\n## Cross-repo contract\n\nThe wire-stable secret name string `\"resend_api_key\"` MUST be byte-equal across:\n\n- phantomd PR #32 (`internal/secrets/types.go::AllowedSecretNames`).\n- This PR's `src/config/secret-names.ts::RESEND_API_KEY_SECRET_NAME` and `AllowedSecretNamesMirror`.\n- This PR's `src/email/key-fetcher.ts` (consumes the constant).\n- The architect doc §3.5 mirror invariant + §9.1 cross-repo allowlist table + §13.1 PR scope table.\n\nDrift surfaces as HTTP 404 from the metadata gateway (the gateway maps `ErrInvalidName` to 404 to defeat name enumeration), which the EmailTool surfaces as `error_kind = \"key_unavailable\"`. The phantom-side mirror tests (`src/config/__tests__/secret-names.test.ts`) plus phantomd's `TestAllowedSecretNames_KnowsResendKey` pin the symmetric assertions.\n\nThe tenant-salted idempotency input string is `${PHANTOM_TENANT_ID}:${normalizedTo}:${subject}:${utcDate}` (architect §9.6). The salt defends Resend's TEAM-scoped idempotency-key namespace from cross-tenant collision when multiple tenants share the same operator-side Resend key.\n\n## Failure-mode coverage\n\nThe seven `error_kind` taxonomy maps every tool path to exactly one outcome:\n\n- `recipient_denied`: address violated `PHANTOM_EMAIL_RECIPIENTS_ALLOWED`. No Resend POST is made.\n- `rate_limited_local`: per-day soft cap hit. No Resend POST is made.\n- `key_unavailable`: metadata gateway returned 404 / 5xx / network error.\n- `rate_limited_resend`: Resend returned 429.\n- `validation_error`: Resend returned 422 (forwards the upstream message so the agent can suggest a fix).\n- `service_down`: Resend returned 5xx, the SDK threw, or no `id` in the response.\n- `auth_failed`: Resend returned 401 (cached key was revoked) OR the gateway rejected the fetch with 401. The fetcher invalidates its cache so the next attempt refetches a rotated key.\n\nThe local cap counter increments only on confirmed `ok` so policy denials and Resend errors do not consume the agent's daily budget. Test coverage exercises every kind end-to-end including a defensive thrown-sender path and a cross-tenant idempotency collision check.\n\n## Plaintext-leak guards\n\nVerified across the test suite:\n\n- The Resend API key is never echoed via `console.log`, `console.warn`, or any structured log line. The cache holds the value privately on the fetcher instance; logs only carry the secret NAME plus HTTP status.\n- The error envelope returned to the agent never carries the secret value across `key_unavailable`, `auth_failed`, and `service_down` paths. The defensive thrown-sender catch maps to `service_down` with a fixed message rather than echoing the exception (which can carry the API key in HTTP-client error formatting).\n- The `validation_error` path forwards the upstream Resend message verbatim because the agent needs the field detail to suggest a fix; the upstream sender is responsible for not embedding the key in that message (Resend's SDK does not).\n- The cache key is the secret NAME, not the value.\n\nThe `key-fetcher.test.ts` includes an explicit test that captures `console.log` and `console.warn` across the cache-hit path and asserts the secret value never appears.\n\n## Architect doc link\n\n`phantom-cloud-deploy/local/2026-05-01-phase10-resend-architect.md` (Phase 10, dated 2026-05-01). Drives the seven-kind taxonomy (§6.8), the storage decision (§3.4 Option B metadata-gateway fetch), the cache TTL (§3.4 + §6.6 fifteen minutes), the cost-attribution channels (§7), and the tenant-salt idempotency derivation (§9.6).\n\n## Test plan\n\n- [x] `bun test` clean: 2210 pass / 0 fail across 162 files (90 new tests across 5 files).\n- [x] `bun run lint` clean.\n- [x] `bun run typecheck` clean.\n- [x] Verified the wire-stable secret name `\"resend_api_key\"` matches phantomd PR #32's `AllowedSecretNames` entry.\n- [x] Verified plaintext-leak guards across every error path.\n- [x] Verified the tenant-salt cross-tenant collision defense (two tenants sending the same logical email get DIFFERENT idempotency keys; the same tenant on the same day gets the SAME key).\n- [x] Verified the recipient-policy default is owner-only (no open-relay default).\n- [x] Verified the daily cap counter increments only on confirmed `ok`.\n- [ ] `@codex review` after push.\n- [ ] Live-Resend smoke gated on `PHASE10_LIVE_SMOKE=1`; not run in CI (architect §11.3); operator runs at release time.\n@codex review\nYou have reached your Codex usage limits for code reviews. 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