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ConnorYoh 6bae9d516d chore(saas): one task per environment, and make the frontend follow it (#7483)
## The problem

The `dev` profile hardcoded one project ref (`qacaivhsjtftfwtgjvva`) in
five places: the ref, the Supabase URL, the publishable key, the
datasource host and the meter endpoint.

That made it both the shared environment everyone relies on *and* the
only thing you could point the backend at. Testing an open SaaS PR meant
hand-overriding all five via env just to reach that PR's Supabase
preview branch, which is the only place the PR's migrations have
actually been applied. Get it wrong and you see `relation
"stirling_pdf.<new table>" does not exist` for a table the PR added,
which is what happened on
[#7414](https://github.com/Stirling-Tools/Stirling-PDF/pull/7414).

## One task per environment

```bash
task dev:saas         # backend + frontend + engine, against this PR's preview branch
task staging:saas     # backend + frontend + engine, against the shared v3 project

task backend:dev:saas       # backend only, preview branch
task backend:staging:saas   # backend only, v3
```

| | how | vars | project |
|---|---|---|---|
| prod | `PROFILES=none` | `SAAS_DB_*` | the live one |
| staging | `PROFILES=staging` | `SAAS_STAGING_*` | pinned to v3, always
there |
| dev | `PROFILES=dev` | `SAAS_DEV_*` | follows a SaaS PR's preview
branch |

`PROFILES` is still the underlying switch, so the old spelling keeps
working. Production deliberately has no named task: reaching it should
take a conscious `PROFILES=none`, not a tab-complete.

**staging** is the old `dev` configuration, moved and kept pinned. The
value of a shared environment is that it is still there tomorrow:
reproduce a bug, paste a link to a colleague, share data.

**dev** is parameterised by `SAAS_DEV_PROJECT_REF` and derives the
Supabase URL, JWT issuer, JWKS, meter endpoint and (unless overridden)
the database host from it. Switching which PR you are testing is one
variable instead of five. With no ref set, `task backend:dev:saas` stops
and says what to set rather than falling back.

## The frontend was the real gap

`frontend/editor/.env` is committed and pins the **production** Supabase
project, and nothing in the frontend knew about dev or staging. So `task
dev:saas` gave you a backend on a preview branch and a login against
prod, unless you happened to have hand-written
`frontend/editor/.env.saas.local`.

The dev tasks now read the backend's env files and derive
`VITE_SUPABASE_URL` and `VITE_SUPABASE_PUBLISHABLE_DEFAULT_KEY` from the
same project ref the backend resolved, so the two halves cannot point at
different projects. Nothing to keep in sync by hand, no new vite mode,
and `SAAS_ENV=prod` opts back out to the committed values.

## Where to put your local values

Two files, both gitignored, neither ever committed:

**`app/.env.saas.local`** is the only one you normally need. The tasks
load it for the backend *and* the frontend.

```bash
# staging: everything else is already defaulted, so this is all it takes
SAAS_STAGING_DB_PASSWORD=...

# dev: the preview branch of the PR you are testing, from its "Supabase Preview" check.
# A branch has its OWN password and API keys; the parent project's will not authenticate.
SAAS_DEV_PROJECT_REF=...
SAAS_DEV_DB_PASSWORD=...
SAAS_DEV_PUBLISHABLE_KEY=...

# prod, if you ever need it
SAAS_DB_PROJECT_REF=...
SAAS_DB_URL=...
SAAS_DB_PASSWORD=...
SUPABASE_EDGE_FUNCTION_SECRET=...
```

**`frontend/editor/.env.saas.local`** is no longer needed for choosing a
Supabase project, and is best left empty or deleted. If you have one
from before this PR, note that the task-supplied values now win, which
is the point: the frontend follows the backend.

**A blank is not the same as absent.** A dotenv line with an empty value
still *sets* the variable, and Spring's `${VAR:default}` only falls back
when a variable is absent. So `.env.saas` lists what you must set as
blanks, and leaves out the two `*_DB_URL` overrides, which have real
defaults to fall back to. This is not theoretical, see below.

Committed `app/.env.saas` holds non-secret defaults only. Real secrets
are passwords, the edge-function secret and service-role keys. Project
refs and publishable keys are neither: a ref is the public
`<ref>.supabase.co` subdomain and a publishable key ships in the browser
bundle by design, which is why `frontend/editor/.env` has always carried
prod's.

## Three bugs found while building the tasks

All three were in this PR's own earlier commits, and all three were
caught by actually booting things rather than by reading the config.

**staging could not boot at all.** A blank `SAAS_STAGING_DB_URL=` in
`.env.saas` set the variable to empty, so
`${SAAS_STAGING_DB_URL:jdbc:...}` resolved to `""` and startup failed
with `spring.datasource.url is required when the saas profile is
active`. The file already carried a comment warning about exactly this;
it had only been applied to the dev block. The original verification for
this PR was "placeholders resolve" and "the task parses", neither of
which boots anything.

**The dev to staging fallback ran `ddl-auto=update` against shared v3.**
The dev profile sets `update`, which is right for a disposable preview
branch, and separately fell back to staging's project ref. Together that
meant Hibernate was free to reconcile tables that RLS policies depend
on. `application-staging.properties` pins `none`, but that only applies
when the staging profile is the active one, which it was not on the
fallback path. There is no fallback now: with no ref the task stops
before gradle, and the frontend fails the same way, both naming the
variable.

**`PROFILES=` never selected production.** Go template `default` treats
`""` as absent, so it silently resolved back to `dev`. It is
`PROFILES=none` now.

## Two choices worth reviewing

**Staging keeps its committed project ref**, now as a
`${SAAS_STAGING_PROJECT_REF:...}` default in one place, with the URL,
database host and meter endpoint all derived from it. So staging still
works with zero setup, and repointing it is one variable. Nothing in CI
referenced the ref or the profile. Its publishable key default carries
no inline `gitleaks:allow`: a trailing comment in a `.properties` file
is part of the value, so the pragma ended up inside the key. It is in
`.gitleaksignore` instead.

**`SAAS_DEV_DB_URL` still overrides the whole URL**, so a branch needing
the pooler host rather than the direct one is reachable without touching
committed config.

## Verification

- `task backend:staging:saas` boots against v3 and serves `200`. It
could not boot before this commit.
- `task backend:dev:saas` with no ref stops before gradle naming the
variable, and `PROFILES=none` still reaches production. `task
frontend:dev:saas` fails the same way; `SAAS_ENV=staging` still resolves
with no local config.
- Frontend routing picks the SaaS runner for dev/staging and the plain
runner for prod; the derivation returns the right URL and key for each.
- Vite's `process.env` precedence and Task's dotenv/env semantics were
measured, not assumed. That is how one trap surfaced: Task sets an
`env:` key even when its value resolves to empty, and Vite treats an
empty `process.env` `VITE_*` as authoritative over a committed `.env`.
Putting the Supabase vars on the shared `dev:_run` would have blanked
Supabase config for the core, proprietary and desktop dev servers, so
the SaaS path has its own runner.
- `:saas:spotlessApply` and `:saas:compileJava` green.

`DevProfileProjectNotice` becomes `SaasProjectNotice` and covers both
profiles, stating the project ref and `ddl-auto` at startup so which
environment you are on is never a guess.

No behaviour change for prod: the `saas` profile is untouched.
2026-08-19 14:46:00 +00:00

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# PostHog project-level key - phc_ prefix keys are public/client-side by design
# (PostHog client-side tracking embeds them in the browser bundle). Committed
# intentionally in #6150 so engine/.env has a working default, with real
# credentials overridden via engine/.env.local.
engine/.env:generic-api-key:41
# MCP test fixtures / harness - no real secrets:
# - test-only API key constant in an integration test
# - JDBC URL + throwaway Keycloak creds in the local test compose
# - placeholder / shell-variable Bearer headers in curl-based validation scripts
app/proprietary/src/test/java/stirling/software/proprietary/mcp/security/McpApiKeyIntegrationTest.java:generic-api-key:40
testing/compose/docker-compose-keycloak-mcp.yml:generic-api-key:25
testing/compose/validate-mcp-apikey.sh:curl-auth-header:73
testing/compose/validate-mcp-test.sh:curl-auth-header:92
testing/compose/validate-mcp-test.sh:curl-auth-header:116
# Storybook example showing curl with a fake Bearer token placeholder (sk_live_a3f8...).
frontend/editor/src/proprietary/ui/CodeBlock.stories.tsx:curl-auth-header:5
# Truncated placeholder API key in portal docs example (sk_live_8f2c...e10) - not a real secret.
frontend/editor/src/portal/components/docs/GettingStartedSection.tsx:generic-api-key:30
# False positive: generic-api-key matches the Java type name "X509Certificate"
# in a method signature (CreateSignatureBase.resolveSignatureAlgorithm) - not a secret.
app/core/src/main/java/stirling/software/SPDF/pdf/signature/CreateSignatureBase.java:generic-api-key:224
# Supabase publishable key (public by design, RLS-protected) used as a CI fallback
# default in the tauri-build workflow when the GitHub secret is unset - not a real secret.
.github/workflows/tauri-build.yml:generic-api-key:402
# Staging Supabase publishable key (public by design). Ignored here rather than with an
# inline gitleaks:allow because a trailing comment in a .properties file is part of the
# value, so the pragma would end up inside the key.
app/saas/src/main/resources/application-staging.properties:generic-api-key:16