Switch config from YAML to TOML

2026-05-24 22:11:36 -07:00
parent e88483526d
commit 9d5db63c56
11 changed files with 280 additions and 253 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,5 @@ data/
 .env
 pete
 config.yaml
+config.toml
 node_modules/
--- a/2
+++ b/2
@@ -20,4 +20,4 @@ WORKDIR /app
 COPY --from=builder /app/pete .
 VOLUME /app/data
 EXPOSE 8080
-CMD ["./pete", "-config", "/app/config.yaml"]
+CMD ["./pete", "-config", "/app/config.toml"]
--- a/README.md
+++ b/README.md
@@ -39,17 +39,17 @@ git clone <repo-url> && cd pete
 go build -tags goolm .

 # Create config from example
-cp config.example.yaml config.yaml
-# Edit config.yaml — fill in Matrix credentials, room IDs, and a direct_route for every source
+cp config.example.yaml config.toml
+# Edit config.toml — fill in Matrix credentials, room IDs, and a direct_route for every source

 # First run: seed current feed items as seen (prevents flood)
-./pete -config config.yaml -seed
+./pete -config config.toml -seed

 # Post one story to verify the pipeline
-./pete -config config.yaml -test
+./pete -config config.toml -test

 # Run
-./pete -config config.yaml
+./pete -config config.toml
 ```

 ## Configuration
@@ -62,7 +62,7 @@ See `config.example.yaml` for the full structure. Key sections:
 - `sources` — RSS feeds with tier, polling interval, and **required** `direct_route` (must match a key in `matrix.channels`)
 - `web` — read-only HTTP UI (enabled toggle, listen address, site title, public base URL)

-Environment variables can be referenced with `${VAR}` syntax in the YAML.
+Environment variables can be referenced with `${VAR}` syntax in the TOML.

 ### Web UI

@@ -91,7 +91,7 @@ With a 4-hour cadence Pete will post at most 6 stories/day, so set `posting.dail

 | Flag | Description |
 |---|---|
-| `-config <path>` | Path to config file (default: `config.yaml`) |
+| `-config <path>` | Path to config file (default: `config.toml`) |
 | `-seed` | Ingest all current feed items as seen without posting, then exit |
 | `-test` | Post one story to verify the full pipeline, then exit |

--- a/config.example.toml
+++ b/config.example.toml
@@ -0,0 +1,75 @@
+[matrix]
+homeserver = "https://matrix.example.org"
+user_id = "@pete:matrix.example.org"
+password = "${PETE_PASSWORD}"
+pickle_key = "${PETE_PICKLE_KEY}"
+display_name = "Pete"
+data_dir = "./data"
+admin_room = "!adminroomid:matrix.example.org"
+
+[matrix.channels]
+tech = "!techroomid:matrix.example.org"
+politics = "!politicsroomid:matrix.example.org"
+gaming = "!gamingroomid:matrix.example.org"
+
+[posting]
+min_interval_seconds = 300
+burst_cap_count = 3
+burst_cap_window_seconds = 1800
+daily_cap_total = 5  # hard global cap across ALL channels (rolling 24h); 0 disables
+
+[posting.round_robin]
+enabled = false      # when true, replaces immediate posting with paced rotation
+interval_hours = 4   # one story per N hours, cycling through channels in sorted order
+
+[storage]
+db_path = "./data/pete.db"
+recent_window_hours = 24
+
+[web]
+enabled = true
+listen_addr = ":8080"
+site_title = "Pete"
+base_url = "https://news.parodia.dev"
+
+# Every enabled source MUST set direct_route to a key from [matrix.channels] above.
+# There is no automatic classification — Pete posts each story to its configured channel.
+[[sources]]
+name = "The Guardian — World"
+feed_url = "https://www.theguardian.com/world/rss"
+tier = 1
+poll_interval_minutes = 20
+direct_route = "politics"
+enabled = true
+
+[[sources]]
+name = "The Guardian — Politics"
+feed_url = "https://www.theguardian.com/politics/rss"
+tier = 1
+poll_interval_minutes = 20
+direct_route = "politics"
+enabled = true
+
+[[sources]]
+name = "The Guardian — US News"
+feed_url = "https://www.theguardian.com/us-news/rss"
+tier = 1
+poll_interval_minutes = 20
+direct_route = "politics"
+enabled = true
+
+[[sources]]
+name = "Ars Technica"
+feed_url = "https://feeds.arstechnica.com/arstechnica/index"
+tier = 1
+poll_interval_minutes = 20
+direct_route = "tech"
+enabled = true
+
+[[sources]]
+name = "Time Extension"
+feed_url = "https://www.timeextension.com/feeds/news"
+tier = 1
+poll_interval_minutes = 20
+direct_route = "gaming"
+enabled = true
--- a/config.example.yaml
+++ b/config.example.yaml
@@ -1,69 +0,0 @@
-matrix:
-  homeserver: "https://matrix.example.org"
-  user_id: "@pete:matrix.example.org"
-  password: "${PETE_PASSWORD}"
-  pickle_key: "${PETE_PICKLE_KEY}"
-  display_name: "Pete"
-  data_dir: "./data"
-  admin_room: "!adminroomid:matrix.example.org"
-  channels:
-    tech: "!techroomid:matrix.example.org"
-    politics: "!politicsroomid:matrix.example.org"
-    gaming: "!gamingroomid:matrix.example.org"
-
-posting:
-  min_interval_seconds: 300
-  burst_cap_count: 3
-  burst_cap_window_seconds: 1800
-  daily_cap_total: 5  # hard global cap across ALL channels (rolling 24h); 0 disables
-  round_robin:
-    enabled: false       # when true, replaces immediate posting with paced rotation
-    interval_hours: 4    # one story per N hours, cycling through channels in sorted order
-
-storage:
-  db_path: "./data/pete.db"
-  recent_window_hours: 24
-
-web:
-  enabled: true
-  listen_addr: ":8080"
-  site_title: "Pete"
-  base_url: "https://news.parodia.dev"
-
-# Every enabled source MUST set direct_route to a key from matrix.channels above.
-# There is no automatic classification — Pete posts each story to its configured channel.
-sources:
-  - name: "The Guardian — World"
-    feed_url: "https://www.theguardian.com/world/rss"
-    tier: 1
-    poll_interval_minutes: 20
-    direct_route: "politics"
-    enabled: true
-
-  - name: "The Guardian — Politics"
-    feed_url: "https://www.theguardian.com/politics/rss"
-    tier: 1
-    poll_interval_minutes: 20
-    direct_route: "politics"
-    enabled: true
-
-  - name: "The Guardian — US News"
-    feed_url: "https://www.theguardian.com/us-news/rss"
-    tier: 1
-    poll_interval_minutes: 20
-    direct_route: "politics"
-    enabled: true
-
-  - name: "Ars Technica"
-    feed_url: "https://feeds.arstechnica.com/arstechnica/index"
-    tier: 1
-    poll_interval_minutes: 20
-    direct_route: "tech"
-    enabled: true
-
-  - name: "Time Extension"
-    feed_url: "https://www.timeextension.com/feeds/news"
-    tier: 1
-    poll_interval_minutes: 20
-    direct_route: "gaming"
-    enabled: true
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,4 +8,4 @@ services:
      - "${PETE_WEB_PORT:-8080}:8080"
    volumes:
      - ./data:/app/data
-      - ./config.yaml:/app/config.yaml:ro
+      - ./config.toml:/app/config.toml:ro
--- a/go.mod
+++ b/go.mod
@@ -3,9 +3,9 @@ module pete
 go 1.25.0

 require (
+	github.com/BurntSushi/toml v1.6.0
 	github.com/PuerkitoBio/goquery v1.12.0
 	github.com/mmcdole/gofeed v1.3.0
-	gopkg.in/yaml.v3 v3.0.1
 	maunium.net/go/mautrix v0.28.0
 	modernc.org/sqlite v1.50.1
 )
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,7 @@
 filippo.io/edwards25519 v1.2.0 h1:crnVqOiS4jqYleHd9vaKZ+HKtHfllngJIiOpNpoJsjo=
 filippo.io/edwards25519 v1.2.0/go.mod h1:xzAOLCNug/yB62zG1bQ8uziwrIqIuxhctzJT18Q77mc=
+github.com/BurntSushi/toml v1.6.0 h1:dRaEfpa2VI55EwlIW72hMRHdWouJeRF7TPYhI+AUQjk=
+github.com/BurntSushi/toml v1.6.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
 github.com/DATA-DOG/go-sqlmock v1.5.2 h1:OcvFkGmslmlZibjAjaHm3L//6LiuBgolP7OputlJIzU=
 github.com/DATA-DOG/go-sqlmock v1.5.2/go.mod h1:88MAG/4G7SMwSE3CeA0ZKzrT5CiOU3OJ+JlNzwDqpNU=
 github.com/PuerkitoBio/goquery v1.12.0 h1:pAcL4g3WRXekcB9AU/y1mbKez2dbY2AajVhtkO8RIBo=
@@ -143,8 +145,6 @@ golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxb
 golang.org/x/tools v0.45.0 h1:18qN3FAooORvApf5XjCXgsuayZOEtXf6JK18I3+ONa8=
 golang.org/x/tools v0.45.0/go.mod h1:LuUGqqaXcXMEFEruIVJVm5mgDD8vww/z/SR1gQ4uE/0=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 maunium.net/go/mautrix v0.28.0 h1:vBakLzf8MAdfED3NzAKiMeKQbc3AQ4EAS03NC+TVMXQ=
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -6,70 +6,70 @@ import (
 	"os"
 	"regexp"

-	"gopkg.in/yaml.v3"
+	"github.com/BurntSushi/toml"
 )

 // envBracketRe matches only ${VAR} style env references, not bare $VAR.
 var envBracketRe = regexp.MustCompile(`\$\{([^}]+)\}`)

 type Config struct {
-	Matrix  MatrixConfig   `yaml:"matrix"`
-	Posting PostingConfig  `yaml:"posting"`
-	Storage StorageConfig  `yaml:"storage"`
-	Web     WebConfig      `yaml:"web"`
-	Sources []SourceConfig `yaml:"sources"`
+	Matrix  MatrixConfig   `toml:"matrix"`
+	Posting PostingConfig  `toml:"posting"`
+	Storage StorageConfig  `toml:"storage"`
+	Web     WebConfig      `toml:"web"`
+	Sources []SourceConfig `toml:"sources"`
 }

 // WebConfig controls the read-only HTTP interface (news.parodia.dev style).
 type WebConfig struct {
-	Enabled    bool   `yaml:"enabled"`
-	ListenAddr string `yaml:"listen_addr"` // e.g. ":8080" or "127.0.0.1:8080"
-	SiteTitle  string `yaml:"site_title"`  // display name in the header
-	BaseURL    string `yaml:"base_url"`    // public URL (used in metadata only)
+	Enabled    bool   `toml:"enabled"`
+	ListenAddr string `toml:"listen_addr"` // e.g. ":8080" or "127.0.0.1:8080"
+	SiteTitle  string `toml:"site_title"`  // display name in the header
+	BaseURL    string `toml:"base_url"`    // public URL (used in metadata only)
 }

 type MatrixConfig struct {
-	Homeserver  string            `yaml:"homeserver"`
-	UserID      string            `yaml:"user_id"`
-	Password    string            `yaml:"password"`
-	PickleKey   string            `yaml:"pickle_key"`
-	DisplayName string            `yaml:"display_name"`
-	DataDir     string            `yaml:"data_dir"`
-	AdminRoom   string            `yaml:"admin_room"`
-	Channels    map[string]string `yaml:"channels"`
+	Homeserver  string            `toml:"homeserver"`
+	UserID      string            `toml:"user_id"`
+	Password    string            `toml:"password"`
+	PickleKey   string            `toml:"pickle_key"`
+	DisplayName string            `toml:"display_name"`
+	DataDir     string            `toml:"data_dir"`
+	AdminRoom   string            `toml:"admin_room"`
+	Channels    map[string]string `toml:"channels"`
 }

 type PostingConfig struct {
-	MinIntervalSeconds    int `yaml:"min_interval_seconds"`
-	BurstCapCount         int `yaml:"burst_cap_count"`
-	BurstCapWindowSeconds int `yaml:"burst_cap_window_seconds"`
-	DedupCooldownHours    int `yaml:"dedup_cooldown_hours"`
+	MinIntervalSeconds    int `toml:"min_interval_seconds"`
+	BurstCapCount         int `toml:"burst_cap_count"`
+	BurstCapWindowSeconds int `toml:"burst_cap_window_seconds"`
+	DedupCooldownHours    int `toml:"dedup_cooldown_hours"`
 	// DailyCapTotal is the hard global cap on posts across ALL channels in a
 	// rolling 24-hour window. 0 disables the cap.
-	DailyCapTotal int              `yaml:"daily_cap_total"`
-	RoundRobin    RoundRobinConfig `yaml:"round_robin"`
+	DailyCapTotal int              `toml:"daily_cap_total"`
+	RoundRobin    RoundRobinConfig `toml:"round_robin"`
 }

 // RoundRobinConfig switches Pete from immediate-on-classify posting to a
 // paced rotation: one story per IntervalHours, picking the next channel in
 // rotation order that has a postable story (skip-and-advance, newest-first).
 type RoundRobinConfig struct {
-	Enabled       bool `yaml:"enabled"`
-	IntervalHours int  `yaml:"interval_hours"`
+	Enabled       bool `toml:"enabled"`
+	IntervalHours int  `toml:"interval_hours"`
 }

 type StorageConfig struct {
-	DBPath            string `yaml:"db_path"`
-	RecentWindowHours int    `yaml:"recent_window_hours"`
+	DBPath            string `toml:"db_path"`
+	RecentWindowHours int    `toml:"recent_window_hours"`
 }

 type SourceConfig struct {
-	Name                string `yaml:"name"`
-	FeedURL             string `yaml:"feed_url"`
-	Tier                int    `yaml:"tier"`
-	PollIntervalMinutes int    `yaml:"poll_interval_minutes"`
-	DirectRoute         string `yaml:"direct_route"`
-	Enabled             bool   `yaml:"enabled"`
+	Name                string `toml:"name"`
+	FeedURL             string `toml:"feed_url"`
+	Tier                int    `toml:"tier"`
+	PollIntervalMinutes int    `toml:"poll_interval_minutes"`
+	DirectRoute         string `toml:"direct_route"`
+	Enabled             bool   `toml:"enabled"`
 }

 func Load(path string) (*Config, error) {
@@ -90,7 +90,7 @@ func Load(path string) (*Config, error) {
 	})

 	var cfg Config
-	if err := yaml.Unmarshal([]byte(expanded), &cfg); err != nil {
+	if _, err := toml.Decode(expanded, &cfg); err != nil {
 		return nil, fmt.Errorf("parse config: %w", err)
 	}

--- a/internal/config/config_test.go
+++ b/internal/config/config_test.go
@@ -8,28 +8,29 @@ import (

 // validMatrix is a reusable matrix config block for tests.
 const validMatrix = `
-matrix:
-  homeserver: "https://matrix.example.org"
-  user_id: "@pete:example.org"
-  password: "testpass"
-  channels:
-    tech: "!tech:example.org"
-    politics: "!politics:example.org"
+[matrix]
+homeserver = "https://matrix.example.org"
+user_id = "@pete:example.org"
+password = "testpass"
+[matrix.channels]
+tech = "!tech:example.org"
+politics = "!politics:example.org"
 `

 func TestLoadValid(t *testing.T) {
-	yaml := validMatrix + `
-storage:
-  db_path: "/tmp/test.db"
-sources:
-  - name: "Test Source"
-    feed_url: "https://example.com/rss"
-    tier: 1
-    poll_interval_minutes: 20
-    direct_route: "tech"
-    enabled: true
+	toml := validMatrix + `
+[storage]
+db_path = "/tmp/test.db"
+
+[[sources]]
+name = "Test Source"
+feed_url = "https://example.com/rss"
+tier = 1
+poll_interval_minutes = 20
+direct_route = "tech"
+enabled = true
 `
-	cfg := loadFromString(t, yaml)
+	cfg := loadFromString(t, toml)

 	if cfg.Matrix.Homeserver != "https://matrix.example.org" {
 		t.Errorf("homeserver = %q", cfg.Matrix.Homeserver)
@@ -51,18 +52,18 @@ sources:
 func TestEnvVarExpansion(t *testing.T) {
 	t.Setenv("TEST_PETE_PASS", "secret_pass_123")

-	yaml := `
-matrix:
-  homeserver: "https://matrix.example.org"
-  user_id: "@pete:example.org"
-  password: "${TEST_PETE_PASS}"
-  channels:
-    tech: "!tech:example.org"
-storage:
-  db_path: "/tmp/test.db"
-sources: []
+	toml := `
+[matrix]
+homeserver = "https://matrix.example.org"
+user_id = "@pete:example.org"
+password = "${TEST_PETE_PASS}"
+[matrix.channels]
+tech = "!tech:example.org"
+
+[storage]
+db_path = "/tmp/test.db"
 `
-	cfg := loadFromString(t, yaml)
+	cfg := loadFromString(t, toml)

 	if cfg.Matrix.Password != "secret_pass_123" {
 		t.Errorf("password = %q, want secret_pass_123", cfg.Matrix.Password)
@@ -70,18 +71,19 @@ sources: []
 }

 func TestDefaults(t *testing.T) {
-	yaml := validMatrix + `
-storage:
-  db_path: "/tmp/test.db"
-sources:
-  - name: "S"
-    feed_url: "https://example.com/rss"
-    tier: 1
-    poll_interval_minutes: 20
-    direct_route: "tech"
-    enabled: true
+	toml := validMatrix + `
+[storage]
+db_path = "/tmp/test.db"
+
+[[sources]]
+name = "S"
+feed_url = "https://example.com/rss"
+tier = 1
+poll_interval_minutes = 20
+direct_route = "tech"
+enabled = true
 `
-	cfg := loadFromString(t, yaml)
+	cfg := loadFromString(t, toml)

 	if cfg.Matrix.DataDir != "./data" {
 		t.Errorf("data_dir default = %q, want ./data", cfg.Matrix.DataDir)
@@ -106,109 +108,125 @@ sources:
 func TestValidationErrors(t *testing.T) {
 	tests := []struct {
 		name string
-		yaml string
+		toml string
 	}{
 		{"missing homeserver", `
-matrix:
-  user_id: "@p:h"
-  password: "pw"
-  channels: {tech: "!t:e"}
-storage: {db_path: "/tmp/t.db"}
+[matrix]
+user_id = "@p:h"
+password = "pw"
+[matrix.channels]
+tech = "!t:e"
+[storage]
+db_path = "/tmp/t.db"
 `},
 		{"missing user_id", `
-matrix:
-  homeserver: "https://h"
-  password: "pw"
-  channels: {tech: "!t:e"}
-storage: {db_path: "/tmp/t.db"}
+[matrix]
+homeserver = "https://h"
+password = "pw"
+[matrix.channels]
+tech = "!t:e"
+[storage]
+db_path = "/tmp/t.db"
 `},
 		{"missing password", `
-matrix:
-  homeserver: "https://h"
-  user_id: "@p:h"
-  channels: {tech: "!t:e"}
-storage: {db_path: "/tmp/t.db"}
+[matrix]
+homeserver = "https://h"
+user_id = "@p:h"
+[matrix.channels]
+tech = "!t:e"
+[storage]
+db_path = "/tmp/t.db"
 `},
 		{"no channels", `
-matrix:
-  homeserver: "https://h"
-  user_id: "@p:h"
-  password: "pw"
-storage: {db_path: "/tmp/t.db"}
+[matrix]
+homeserver = "https://h"
+user_id = "@p:h"
+password = "pw"
+[storage]
+db_path = "/tmp/t.db"
 `},
 		{"missing db_path", `
-matrix:
-  homeserver: "https://h"
-  user_id: "@p:h"
-  password: "pw"
-  channels: {tech: "!t:e"}
-storage: {}
+[matrix]
+homeserver = "https://h"
+user_id = "@p:h"
+password = "pw"
+[matrix.channels]
+tech = "!t:e"
+[storage]
 `},
 		{"invalid tier", `
-matrix:
-  homeserver: "https://h"
-  user_id: "@p:h"
-  password: "pw"
-  channels: {tech: "!t:e"}
-storage: {db_path: "/tmp/t.db"}
-sources:
-  - name: "S"
-    feed_url: "https://e.com/rss"
-    tier: 5
-    poll_interval_minutes: 20
-    direct_route: "tech"
-    enabled: true
+[matrix]
+homeserver = "https://h"
+user_id = "@p:h"
+password = "pw"
+[matrix.channels]
+tech = "!t:e"
+[storage]
+db_path = "/tmp/t.db"
+[[sources]]
+name = "S"
+feed_url = "https://e.com/rss"
+tier = 5
+poll_interval_minutes = 20
+direct_route = "tech"
+enabled = true
 `},
 		{"missing source name", `
-matrix:
-  homeserver: "https://h"
-  user_id: "@p:h"
-  password: "pw"
-  channels: {tech: "!t:e"}
-storage: {db_path: "/tmp/t.db"}
-sources:
-  - feed_url: "https://e.com/rss"
-    tier: 1
-    poll_interval_minutes: 20
-    direct_route: "tech"
-    enabled: true
+[matrix]
+homeserver = "https://h"
+user_id = "@p:h"
+password = "pw"
+[matrix.channels]
+tech = "!t:e"
+[storage]
+db_path = "/tmp/t.db"
+[[sources]]
+feed_url = "https://e.com/rss"
+tier = 1
+poll_interval_minutes = 20
+direct_route = "tech"
+enabled = true
 `},
 		{"enabled source missing direct_route", `
-matrix:
-  homeserver: "https://h"
-  user_id: "@p:h"
-  password: "pw"
-  channels: {tech: "!t:e"}
-storage: {db_path: "/tmp/t.db"}
-sources:
-  - name: "S"
-    feed_url: "https://e.com/rss"
-    tier: 1
-    poll_interval_minutes: 20
-    enabled: true
+[matrix]
+homeserver = "https://h"
+user_id = "@p:h"
+password = "pw"
+[matrix.channels]
+tech = "!t:e"
+[storage]
+db_path = "/tmp/t.db"
+[[sources]]
+name = "S"
+feed_url = "https://e.com/rss"
+tier = 1
+poll_interval_minutes = 20
+enabled = true
 `},
 		{"direct_route not in channels", `
-matrix:
-  homeserver: "https://h"
-  user_id: "@p:h"
-  password: "pw"
-  channels: {tech: "!t:e"}
-storage: {db_path: "/tmp/t.db"}
-sources:
-  - name: "S"
-    feed_url: "https://e.com/rss"
-    tier: 1
-    poll_interval_minutes: 20
-    direct_route: "gaming"
-    enabled: true
+[matrix]
+homeserver = "https://h"
+user_id = "@p:h"
+password = "pw"
+[matrix.channels]
+tech = "!t:e"
+[storage]
+db_path = "/tmp/t.db"
+[[sources]]
+name = "S"
+feed_url = "https://e.com/rss"
+tier = 1
+poll_interval_minutes = 20
+direct_route = "gaming"
+enabled = true
 `},
 	}

 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			dir := t.TempDir()
-			path := filepath.Join(dir, "config.yaml")
-			os.WriteFile(path, []byte(tt.yaml), 0o644)
+			path := filepath.Join(dir, "config.toml")
+			os.WriteFile(path, []byte(tt.toml), 0o644)
 			_, err := Load(path)
 			if err == nil {
 				t.Error("expected validation error, got nil")
@@ -219,31 +237,33 @@ sources:

 func TestDisabledSourceSkipsDirectRouteCheck(t *testing.T) {
 	// A disabled source without direct_route must not fail validation.
-	yaml := `
-matrix:
-  homeserver: "https://h"
-  user_id: "@p:h"
-  password: "pw"
-  channels: {tech: "!t:e"}
-storage: {db_path: "/tmp/t.db"}
-sources:
-  - name: "Off"
-    feed_url: "https://e.com/rss"
-    tier: 1
-    poll_interval_minutes: 20
-    enabled: false
+	toml := `
+[matrix]
+homeserver = "https://h"
+user_id = "@p:h"
+password = "pw"
+[matrix.channels]
+tech = "!t:e"
+[storage]
+db_path = "/tmp/t.db"
+[[sources]]
+name = "Off"
+feed_url = "https://e.com/rss"
+tier = 1
+poll_interval_minutes = 20
+enabled = false
 `
-	cfg := loadFromString(t, yaml)
+	cfg := loadFromString(t, toml)
 	if cfg.Sources[0].DirectRoute != "" {
 		t.Errorf("expected empty direct_route, got %q", cfg.Sources[0].DirectRoute)
 	}
 }

-func loadFromString(t *testing.T, yamlContent string) *Config {
+func loadFromString(t *testing.T, tomlContent string) *Config {
 	t.Helper()
 	dir := t.TempDir()
-	path := filepath.Join(dir, "config.yaml")
-	if err := os.WriteFile(path, []byte(yamlContent), 0o644); err != nil {
+	path := filepath.Join(dir, "config.toml")
+	if err := os.WriteFile(path, []byte(tomlContent), 0o644); err != nil {
 		t.Fatal(err)
 	}
 	cfg, err := Load(path)
--- a/main.go
+++ b/main.go
@@ -22,7 +22,7 @@ import (
 )

 func main() {
-	configPath := flag.String("config", "config.yaml", "path to config file")
+	configPath := flag.String("config", "config.toml", "path to config file")
 	seed := flag.Bool("seed", false, "ingest current feed items as seen without posting, then exit")
 	test := flag.Bool("test", false, "post one story to verify the full pipeline, then exit")
 	testSource := flag.String("test-source", "", "source name to use for -test (default: first enabled)")