diff --git a/migrations/postgres/V19__markdown_links.sql b/migrations/postgres/V19__markdown_links.sql
new file mode 100644
index 0000000..b0d5475
--- /dev/null
+++ b/migrations/postgres/V19__markdown_links.sql
@@ -0,0 +1,35 @@
+-- V19: Markdown Links (Obsidian-style bidirectional links)
+-- Adds support for wikilinks, markdown links, embeds, and backlink tracking
+
+-- Table for storing extracted markdown links
+CREATE TABLE IF NOT EXISTS markdown_links (
+    id TEXT PRIMARY KEY NOT NULL,
+    source_media_id TEXT NOT NULL,
+    target_path TEXT NOT NULL,           -- raw link target (wikilink or path)
+    target_media_id TEXT,                -- resolved media_id (nullable if unresolved)
+    link_type TEXT NOT NULL,             -- 'wikilink', 'markdown_link', 'embed'
+    link_text TEXT,                      -- display text for the link
+    line_number INTEGER,                 -- line number in source file
+    context TEXT,                        -- surrounding text for preview
+    created_at TIMESTAMPTZ NOT NULL,
+    FOREIGN KEY (source_media_id) REFERENCES media_items(id) ON DELETE CASCADE,
+    FOREIGN KEY (target_media_id) REFERENCES media_items(id) ON DELETE SET NULL
+);
+
+-- Index for efficient outgoing link queries (what does this note link to?)
+CREATE INDEX idx_links_source ON markdown_links(source_media_id);
+
+-- Index for efficient backlink queries (what links to this note?)
+CREATE INDEX idx_links_target ON markdown_links(target_media_id);
+
+-- Index for path-based resolution (finding unresolved links)
+CREATE INDEX idx_links_target_path ON markdown_links(target_path);
+
+-- Index for link type filtering
+CREATE INDEX idx_links_type ON markdown_links(link_type);
+
+-- Track when links were last extracted from a media item
+ALTER TABLE media_items ADD COLUMN links_extracted_at TIMESTAMPTZ;
+
+-- Index for finding media items that need link extraction
+CREATE INDEX idx_media_links_extracted ON media_items(links_extracted_at);
diff --git a/migrations/sqlite/V19__markdown_links.sql b/migrations/sqlite/V19__markdown_links.sql
new file mode 100644
index 0000000..7cbdda3
--- /dev/null
+++ b/migrations/sqlite/V19__markdown_links.sql
@@ -0,0 +1,35 @@
+-- V19: Markdown Links (Obsidian-style bidirectional links)
+-- Adds support for wikilinks, markdown links, embeds, and backlink tracking
+
+-- Table for storing extracted markdown links
+CREATE TABLE IF NOT EXISTS markdown_links (
+    id TEXT PRIMARY KEY NOT NULL,
+    source_media_id TEXT NOT NULL,
+    target_path TEXT NOT NULL,           -- raw link target (wikilink or path)
+    target_media_id TEXT,                -- resolved media_id (nullable if unresolved)
+    link_type TEXT NOT NULL,             -- 'wikilink', 'markdown_link', 'embed'
+    link_text TEXT,                      -- display text for the link
+    line_number INTEGER,                 -- line number in source file
+    context TEXT,                        -- surrounding text for preview
+    created_at TEXT NOT NULL,
+    FOREIGN KEY (source_media_id) REFERENCES media_items(id) ON DELETE CASCADE,
+    FOREIGN KEY (target_media_id) REFERENCES media_items(id) ON DELETE SET NULL
+);
+
+-- Index for efficient outgoing link queries (what does this note link to?)
+CREATE INDEX idx_links_source ON markdown_links(source_media_id);
+
+-- Index for efficient backlink queries (what links to this note?)
+CREATE INDEX idx_links_target ON markdown_links(target_media_id);
+
+-- Index for path-based resolution (finding unresolved links)
+CREATE INDEX idx_links_target_path ON markdown_links(target_path);
+
+-- Index for link type filtering
+CREATE INDEX idx_links_type ON markdown_links(link_type);
+
+-- Track when links were last extracted from a media item
+ALTER TABLE media_items ADD COLUMN links_extracted_at TEXT;
+
+-- Index for finding media items that need link extraction
+CREATE INDEX idx_media_links_extracted ON media_items(links_extracted_at);