diff --git a/crates/db/migrations/20260317195000_profession_specific_profiles.up.sql b/crates/db/migrations/20260317195000_profession_specific_profiles.up.sql
index dd45ab9..837965e 100644
--- a/crates/db/migrations/20260317195000_profession_specific_profiles.up.sql
+++ b/crates/db/migrations/20260317195000_profession_specific_profiles.up.sql
@@ -200,7 +200,24 @@ ALTER TABLE services
     ADD COLUMN IF NOT EXISTS user_id UUID REFERENCES users(id) ON DELETE CASCADE,
     ADD COLUMN IF NOT EXISTS profession_key VARCHAR(50);
 
--- Lead requests: use user_id instead of professional_id foreign key  
+-- Lead requests: use user_id instead of professional_id foreign key.
+-- lead_requests itself was never created by any active migration until now
+-- (only in later-disabled .skip files) — self-creating it here (no FK to
+-- `leads`, since that table isn't created until 20260610003321, well after
+-- this migration) makes the ALTER below safe regardless of history.
+CREATE TABLE IF NOT EXISTS lead_requests (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    lead_id UUID,
+    user_role_profile_id UUID,
+    status VARCHAR(50) NOT NULL DEFAULT 'PENDING',
+    tracecoins_reserved INTEGER NOT NULL DEFAULT 25,
+    remarks TEXT,
+    expires_at TIMESTAMPTZ NOT NULL DEFAULT (NOW() + INTERVAL '7 days'),
+    requested_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    resolved_at TIMESTAMPTZ,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
 ALTER TABLE lead_requests
     ADD COLUMN IF NOT EXISTS professional_user_id UUID REFERENCES users(id) ON DELETE CASCADE;
 
diff --git a/crates/db/migrations/20260318233000_tracecoin_ledger_immutable.down.sql b/crates/db/migrations/20260318233000_tracecoin_ledger_immutable.down.sql
index a56bbe9..d3587e9 100644
--- a/crates/db/migrations/20260318233000_tracecoin_ledger_immutable.down.sql
+++ b/crates/db/migrations/20260318233000_tracecoin_ledger_immutable.down.sql
@@ -1,3 +1,5 @@
 DROP TRIGGER IF EXISTS trg_prevent_tracecoin_ledger_update ON tracecoin_ledger;
 DROP TRIGGER IF EXISTS trg_prevent_tracecoin_ledger_delete ON tracecoin_ledger;
 DROP FUNCTION IF EXISTS prevent_tracecoin_ledger_mutation();
+DROP TABLE IF EXISTS tracecoin_ledger;
+DROP TABLE IF EXISTS tracecoin_wallets;
diff --git a/crates/db/migrations/20260318233000_tracecoin_ledger_immutable.up.sql b/crates/db/migrations/20260318233000_tracecoin_ledger_immutable.up.sql
index f557cf9..12d4aad 100644
--- a/crates/db/migrations/20260318233000_tracecoin_ledger_immutable.up.sql
+++ b/crates/db/migrations/20260318233000_tracecoin_ledger_immutable.up.sql
@@ -1,4 +1,39 @@
 -- Enforce immutable tracecoin ledger: no UPDATE/DELETE allowed.
+--
+-- This migration assumed tracecoin_wallets/tracecoin_ledger already existed
+-- (they were meant to come from an earlier migration that was later disabled
+-- via .skip, with no active replacement) — so `CREATE TRIGGER ... ON
+-- tracecoin_ledger` below has been failing with "relation tracecoin_ledger
+-- does not exist" on any environment where those tables were never created,
+-- which blocks every migration after this one in the chain. Self-creating
+-- both tables here (idempotent, matching the schema
+-- crates/db/src/models/tracecoin_wallet.rs actually reads/writes) makes this
+-- migration correct on its own regardless of what ran before it.
+CREATE TABLE IF NOT EXISTS tracecoin_wallets (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE UNIQUE,
+    balance INTEGER NOT NULL DEFAULT 0,
+    reserved INTEGER NOT NULL DEFAULT 0,
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE TABLE IF NOT EXISTS tracecoin_ledger (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    wallet_id UUID NOT NULL REFERENCES tracecoin_wallets(id),
+    transaction_type VARCHAR(20) NOT NULL,
+    amount INTEGER NOT NULL,
+    reference_type VARCHAR(50),
+    reference_id UUID,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+-- Defensive fallback in case tracecoin_ledger already existed under the
+-- older, stale column names (`type`/`reason`) from the disabled migration.
+ALTER TABLE tracecoin_ledger ADD COLUMN IF NOT EXISTS transaction_type VARCHAR(20);
+ALTER TABLE tracecoin_ledger ADD COLUMN IF NOT EXISTS reference_type VARCHAR(50);
+
+CREATE INDEX IF NOT EXISTS idx_tracecoin_ledger_wallet_id ON tracecoin_ledger(wallet_id);
+CREATE INDEX IF NOT EXISTS idx_tracecoin_ledger_reference_id ON tracecoin_ledger(reference_id);
 
 CREATE OR REPLACE FUNCTION prevent_tracecoin_ledger_mutation()
 RETURNS trigger AS $$
diff --git a/crates/db/migrations/20260425000000_ai_usage.up.sql b/crates/db/migrations/20260425000000_ai_usage.up.sql
index 2c59be5..cc54921 100644
--- a/crates/db/migrations/20260425000000_ai_usage.up.sql
+++ b/crates/db/migrations/20260425000000_ai_usage.up.sql
@@ -29,6 +29,24 @@ CREATE TABLE IF NOT EXISTS job_seeker_ai_usage (
 CREATE INDEX IF NOT EXISTS idx_company_ai_usage_company_date ON company_ai_usage(company_id, usage_date);
 CREATE INDEX IF NOT EXISTS idx_job_seeker_ai_usage_seeker_date ON job_seeker_ai_usage(job_seeker_id, usage_date);
 
+-- job_applications was never created by any active migration until now
+-- (only referenced, never defined — see crates/db/src/models/application.rs)
+-- so this ALTER always failed and — since the whole file runs in one
+-- transaction — rolled back company_ai_usage/job_seeker_ai_usage above too.
+-- Self-create a minimal version; the later migration that fully owns this
+-- table (20260721000000_fix_job_seeker_profile_and_applications.up.sql)
+-- converges the rest of the columns via ADD COLUMN IF NOT EXISTS.
+CREATE TABLE IF NOT EXISTS job_applications (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    job_id UUID NOT NULL REFERENCES jobs(id) ON DELETE CASCADE,
+    applicant_user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    cover_note TEXT,
+    status VARCHAR(50) NOT NULL DEFAULT 'APPLIED',
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    UNIQUE(job_id, applicant_user_id)
+);
+
 -- Add applied_via_ai flag to job_applications for AI auto-apply tracking
 ALTER TABLE job_applications ADD COLUMN IF NOT EXISTS applied_via_ai BOOLEAN DEFAULT false;
 
diff --git a/crates/db/migrations/20260721030000_create_lead_requests.down.sql b/crates/db/migrations/20260721030000_create_lead_requests.down.sql
index d6eba2c..19b57c5 100644
--- a/crates/db/migrations/20260721030000_create_lead_requests.down.sql
+++ b/crates/db/migrations/20260721030000_create_lead_requests.down.sql
@@ -1,7 +1,5 @@
 DROP TABLE IF EXISTS lead_requests;
 DROP FUNCTION IF EXISTS set_lead_request_reference_number();
 DROP SEQUENCE IF EXISTS lead_request_number_seq;
--- tracecoin_wallets/tracecoin_ledger intentionally left in place — an
--- already-deployed migration (20260318233000_tracecoin_ledger_immutable)
--- has triggers depending on tracecoin_ledger, and other data may reference
--- these tables by now.
+-- tracecoin_wallets/tracecoin_ledger are owned by
+-- 20260318233000_tracecoin_ledger_immutable now — nothing to tear down here.
diff --git a/crates/db/migrations/20260721030000_create_lead_requests.up.sql b/crates/db/migrations/20260721030000_create_lead_requests.up.sql
index 448a363..39b27f0 100644
--- a/crates/db/migrations/20260721030000_create_lead_requests.up.sql
+++ b/crates/db/migrations/20260721030000_create_lead_requests.up.sql
@@ -6,23 +6,44 @@
 -- versions didn't match the columns the current Rust code actually reads/writes
 -- (professional_user_id, customer_user_id, remarks, requested_at, resolved_at) —
 -- so this flow has never worked. Schema below matches the live Rust code exactly.
+-- 20260317195000_profession_specific_profiles.up.sql (already deployed,
+-- earlier in the chain) now self-creates a minimal version of this table —
+-- CREATE TABLE IF NOT EXISTS here is a no-op in that case, so every column
+-- is also added via ADD COLUMN IF NOT EXISTS below to converge regardless
+-- of which migration actually created the table.
 CREATE TABLE IF NOT EXISTS lead_requests (
     id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-    lead_id UUID REFERENCES leads(id) ON DELETE CASCADE,
+    lead_id UUID,
     user_role_profile_id UUID,
-    professional_user_id UUID REFERENCES users(id) ON DELETE CASCADE,
-    customer_user_id UUID REFERENCES users(id) ON DELETE CASCADE,
     status VARCHAR(50) NOT NULL DEFAULT 'PENDING',
     tracecoins_reserved INTEGER NOT NULL DEFAULT 25,
     remarks TEXT,
     expires_at TIMESTAMPTZ NOT NULL DEFAULT (NOW() + INTERVAL '7 days'),
     requested_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
     resolved_at TIMESTAMPTZ,
-    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
-    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
-    UNIQUE(lead_id, professional_user_id)
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
 );
 
+ALTER TABLE lead_requests
+    ADD COLUMN IF NOT EXISTS lead_id UUID,
+    ADD COLUMN IF NOT EXISTS user_role_profile_id UUID,
+    ADD COLUMN IF NOT EXISTS professional_user_id UUID REFERENCES users(id) ON DELETE CASCADE,
+    ADD COLUMN IF NOT EXISTS customer_user_id UUID REFERENCES users(id) ON DELETE CASCADE,
+    ADD COLUMN IF NOT EXISTS status VARCHAR(50) NOT NULL DEFAULT 'PENDING',
+    ADD COLUMN IF NOT EXISTS tracecoins_reserved INTEGER NOT NULL DEFAULT 25,
+    ADD COLUMN IF NOT EXISTS remarks TEXT,
+    ADD COLUMN IF NOT EXISTS expires_at TIMESTAMPTZ NOT NULL DEFAULT (NOW() + INTERVAL '7 days'),
+    ADD COLUMN IF NOT EXISTS requested_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    ADD COLUMN IF NOT EXISTS resolved_at TIMESTAMPTZ,
+    ADD COLUMN IF NOT EXISTS updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW();
+
+DO $$
+BEGIN
+  IF NOT EXISTS (SELECT 1 FROM pg_constraint WHERE conname = 'lead_requests_lead_id_professional_user_id_key') THEN
+    ALTER TABLE lead_requests ADD CONSTRAINT lead_requests_lead_id_professional_user_id_key UNIQUE (lead_id, professional_user_id);
+  END IF;
+END $$;
+
 CREATE INDEX IF NOT EXISTS idx_lead_requests_lead_id ON lead_requests(lead_id);
 CREATE INDEX IF NOT EXISTS idx_lead_requests_user_role_profile_id ON lead_requests(user_role_profile_id);
 CREATE INDEX IF NOT EXISTS idx_lead_requests_professional_user_id ON lead_requests(professional_user_id);
@@ -65,38 +86,7 @@ BEGIN
   END IF;
 END $$;
 
--- tracecoin_wallets/tracecoin_ledger back the Tracecoin reservation that
--- happens when a lead request is sent (TracecoinWalletRepository). Like
--- lead_requests, they were only ever defined in disabled (.skip) migrations
--- — and even those used stale column names (`type`/`reason` instead of the
--- `transaction_type`/`reference_type` the current Rust code writes). An
--- earlier active migration (20260318233000_tracecoin_ledger_immutable,
--- already deployed) creates triggers ON tracecoin_ledger assuming it already
--- exists; CREATE TABLE IF NOT EXISTS here is a safe no-op if that migration
--- already succeeded against a table created some other way, and fills the
--- gap if it didn't.
-CREATE TABLE IF NOT EXISTS tracecoin_wallets (
-    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE UNIQUE,
-    balance INTEGER NOT NULL DEFAULT 0,
-    reserved INTEGER NOT NULL DEFAULT 0,
-    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
-);
-
-CREATE TABLE IF NOT EXISTS tracecoin_ledger (
-    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-    wallet_id UUID NOT NULL REFERENCES tracecoin_wallets(id),
-    transaction_type VARCHAR(20) NOT NULL,
-    amount INTEGER NOT NULL,
-    reference_type VARCHAR(50),
-    reference_id UUID,
-    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
-);
-
--- In case tracecoin_ledger already existed under the older, stale column
--- names from the disabled migration's design.
-ALTER TABLE tracecoin_ledger ADD COLUMN IF NOT EXISTS transaction_type VARCHAR(20);
-ALTER TABLE tracecoin_ledger ADD COLUMN IF NOT EXISTS reference_type VARCHAR(50);
-
-CREATE INDEX IF NOT EXISTS idx_tracecoin_ledger_wallet_id ON tracecoin_ledger(wallet_id);
-CREATE INDEX IF NOT EXISTS idx_tracecoin_ledger_reference_id ON tracecoin_ledger(reference_id);
+-- tracecoin_wallets/tracecoin_ledger (needed for the Tracecoin reservation
+-- that happens when a lead request is sent) are now created earlier in the
+-- chain by 20260318233000_tracecoin_ledger_immutable.up.sql — nothing left
+-- to do here.